var Module;
var createQtAppInstance = ( () => {
    var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
    if (typeof __filename !== 'undefined')
        _scriptDir = _scriptDir || __filename;
    return (function(createQtAppInstance) {
        createQtAppInstance = createQtAppInstance || {};

        Module = typeof createQtAppInstance != "undefined" ? createQtAppInstance : {};
        var readyPromiseResolve, readyPromiseReject;
        Module["ready"] = new Promise(function(resolve, reject) {
            readyPromiseResolve = resolve;
            readyPromiseReject = reject
        }
        );
        var moduleOverrides = Object.assign({}, Module);
        var arguments_ = [];
        var thisProgram = "./this.program";
        var quit_ = (status, toThrow) => {
            throw toThrow
        }
        ;
        var ENVIRONMENT_IS_WEB = typeof window == "object";
        var ENVIRONMENT_IS_WORKER = typeof importScripts == "function";
        var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string";
        var scriptDirectory = "";
        function locateFile(path) {
            if (Module["locateFile"]) {
                return Module["locateFile"](path, scriptDirectory)
            }
            return scriptDirectory + path
        }
        var read_, readAsync, readBinary, setWindowTitle;
        function logExceptionOnExit(e) {
            if (e instanceof ExitStatus)
                return;
            let toLog = e;
            err("exiting due to exception: " + toLog)
        }
        if (ENVIRONMENT_IS_NODE) {
            var fs = require("fs");
            var nodePath = require("path");
            if (ENVIRONMENT_IS_WORKER) {
                scriptDirectory = nodePath.dirname(scriptDirectory) + "/"
            } else {
                scriptDirectory = __dirname + "/"
            }
            read_ = (filename, binary) => {
                filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
                return fs.readFileSync(filename, binary ? undefined : "utf8")
            }
            ;
            readBinary = filename => {
                var ret = read_(filename, true);
                if (!ret.buffer) {
                    ret = new Uint8Array(ret)
                }
                return ret
            }
            ;
            readAsync = (filename, onload, onerror) => {
                filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
                fs.readFile(filename, function(err, data) {
                    if (err)
                        onerror(err);
                    else
                        onload(data.buffer)
                })
            }
            ;
            if (process["argv"].length > 1) {
                thisProgram = process["argv"][1].replace(/\\/g, "/")
            }
            arguments_ = process["argv"].slice(2);
            process["on"]("uncaughtException", function(ex) {
                if (!(ex instanceof ExitStatus)) {
                    throw ex
                }
            });
            process["on"]("unhandledRejection", function(reason) {
                throw reason
            });
            quit_ = (status, toThrow) => {
                if (keepRuntimeAlive()) {
                    process["exitCode"] = status;
                    throw toThrow
                }
                logExceptionOnExit(toThrow);
                process["exit"](status)
            }
            ;
            Module["inspect"] = function() {
                return "[Emscripten Module object]"
            }
        } else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
            if (ENVIRONMENT_IS_WORKER) {
                scriptDirectory = self.location.href
            } else if (typeof document != "undefined" && document.currentScript) {
                scriptDirectory = document.currentScript.src
            }
            if (_scriptDir) {
                scriptDirectory = _scriptDir
            }
            if (scriptDirectory.indexOf("blob:") !== 0) {
                scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1)
            } else {
                scriptDirectory = ""
            }
            {
                read_ = url => {
                    var xhr = new XMLHttpRequest;
                    xhr.open("GET", url, false);
                    xhr.send(null);
                    return xhr.responseText
                }
                ;
                if (ENVIRONMENT_IS_WORKER) {
                    readBinary = url => {
                        var xhr = new XMLHttpRequest;
                        xhr.open("GET", url, false);
                        xhr.responseType = "arraybuffer";
                        xhr.send(null);
                        return new Uint8Array(xhr.response)
                    }
                }
                readAsync = (url, onload, onerror) => {
                    var xhr = new XMLHttpRequest;
                    xhr.open("GET", url, true);
                    xhr.responseType = "arraybuffer";
                    xhr.onload = () => {
                        if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
                            onload(xhr.response);
                            return
                        }
                        onerror()
                    }
                    ;
                    xhr.onerror = onerror;
                    xhr.send(null)
                }
            }
            setWindowTitle = title => document.title = title
        } else {}
        var out = Module["print"] || console.log.bind(console);
        var err = Module["printErr"] || console.warn.bind(console);
        Object.assign(Module, moduleOverrides);
        moduleOverrides = null;
        if (Module["arguments"])
            arguments_ = Module["arguments"];
        if (Module["thisProgram"])
            thisProgram = Module["thisProgram"];
        if (Module["quit"])
            quit_ = Module["quit"];
        var POINTER_SIZE = 4;
        var wasmBinary;
        if (Module["wasmBinary"])
            wasmBinary = Module["wasmBinary"];
        var noExitRuntime = Module["noExitRuntime"] || true;
        if (typeof WebAssembly != "object") {
            abort("no native wasm support detected")
        }
        var wasmMemory;
        var ABORT = false;
        var EXITSTATUS;
        function assert(condition, text) {
            if (!condition) {
                abort(text)
            }
        }
        var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;
        // 将 stringToUTF8 挂载到 Module 上
        Module["stringToUTF8"] = function(str, outPtr, maxBytesToWrite) {
            return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
        };
        function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) {
            var endIdx = idx + maxBytesToRead;
            var endPtr = idx;
            while (heapOrArray[endPtr] && !(endPtr >= endIdx))
                ++endPtr;
            if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
                return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr))
            }
            var str = "";
            while (idx < endPtr) {
                var u0 = heapOrArray[idx++];
                if (!(u0 & 128)) {
                    str += String.fromCharCode(u0);
                    continue
                }
                var u1 = heapOrArray[idx++] & 63;
                if ((u0 & 224) == 192) {
                    str += String.fromCharCode((u0 & 31) << 6 | u1);
                    continue
                }
                var u2 = heapOrArray[idx++] & 63;
                if ((u0 & 240) == 224) {
                    u0 = (u0 & 15) << 12 | u1 << 6 | u2
                } else {
                    u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63
                }
                if (u0 < 65536) {
                    str += String.fromCharCode(u0)
                } else {
                    var ch = u0 - 65536;
                    str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
                }
            }
            return str
        }
        function UTF8ToString(ptr, maxBytesToRead) {
            return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ""
        }
        function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
            if (!(maxBytesToWrite > 0))
                return 0;
            var startIdx = outIdx;
            var endIdx = outIdx + maxBytesToWrite - 1;
            for (var i = 0; i < str.length; ++i) {
                var u = str.charCodeAt(i);
                if (u >= 55296 && u <= 57343) {
                    var u1 = str.charCodeAt(++i);
                    u = 65536 + ((u & 1023) << 10) | u1 & 1023
                }
                if (u <= 127) {
                    if (outIdx >= endIdx)
                        break;
                    heap[outIdx++] = u
                } else if (u <= 2047) {
                    if (outIdx + 1 >= endIdx)
                        break;
                    heap[outIdx++] = 192 | u >> 6;
                    heap[outIdx++] = 128 | u & 63
                } else if (u <= 65535) {
                    if (outIdx + 2 >= endIdx)
                        break;
                    heap[outIdx++] = 224 | u >> 12;
                    heap[outIdx++] = 128 | u >> 6 & 63;
                    heap[outIdx++] = 128 | u & 63
                } else {
                    if (outIdx + 3 >= endIdx)
                        break;
                    heap[outIdx++] = 240 | u >> 18;
                    heap[outIdx++] = 128 | u >> 12 & 63;
                    heap[outIdx++] = 128 | u >> 6 & 63;
                    heap[outIdx++] = 128 | u & 63
                }
            }
            heap[outIdx] = 0;
            return outIdx - startIdx
        }
        function stringToUTF8(str, outPtr, maxBytesToWrite) {
            return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite)
        }
        function lengthBytesUTF8(str) {
            var len = 0;
            for (var i = 0; i < str.length; ++i) {
                var c = str.charCodeAt(i);
                if (c <= 127) {
                    len++
                } else if (c <= 2047) {
                    len += 2
                } else if (c >= 55296 && c <= 57343) {
                    len += 4;
                    ++i
                } else {
                    len += 3
                }
            }
            return len
        }
        var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAP64, HEAPU64, HEAPF64;
        function updateGlobalBufferAndViews(buf) {
            buffer = buf;
            Module["HEAP8"] = HEAP8 = new Int8Array(buf);
            Module["HEAP16"] = HEAP16 = new Int16Array(buf);
            Module["HEAP32"] = HEAP32 = new Int32Array(buf);
            Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
            Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
            Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
            Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
            Module["HEAPF64"] = HEAPF64 = new Float64Array(buf);
            Module["HEAP64"] = HEAP64 = new BigInt64Array(buf);
            Module["HEAPU64"] = HEAPU64 = new BigUint64Array(buf)
        }
        var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 52428800;
        var wasmTable;
        var __ATPRERUN__ = [];
        var __ATINIT__ = [];
        var __ATEXIT__ = [];
        var __ATPOSTRUN__ = [];
        var runtimeInitialized = false;
        function keepRuntimeAlive() {
            return noExitRuntime
        }
        function preRun() {
            if (Module["preRun"]) {
                if (typeof Module["preRun"] == "function")
                    Module["preRun"] = [Module["preRun"]];
                while (Module["preRun"].length) {
                    addOnPreRun(Module["preRun"].shift())
                }
            }
            callRuntimeCallbacks(__ATPRERUN__)
        }
        function initRuntime() {
            runtimeInitialized = true;
            if (!Module["noFSInit"] && !FS.init.initialized)
                FS.init();
            FS.ignorePermissions = false;
            TTY.init();
            callRuntimeCallbacks(__ATINIT__)
        }
        function postRun() {
            if (Module["postRun"]) {
                if (typeof Module["postRun"] == "function")
                    Module["postRun"] = [Module["postRun"]];
                while (Module["postRun"].length) {
                    addOnPostRun(Module["postRun"].shift())
                }
            }
            callRuntimeCallbacks(__ATPOSTRUN__)
        }
        function addOnPreRun(cb) {
            __ATPRERUN__.unshift(cb)
        }
        function addOnInit(cb) {
            __ATINIT__.unshift(cb)
        }
        function addOnPostRun(cb) {
            __ATPOSTRUN__.unshift(cb)
        }
        var runDependencies = 0;
        var runDependencyWatcher = null;
        var dependenciesFulfilled = null;
        function getUniqueRunDependency(id) {
            return id
        }
        function addRunDependency(id) {
            runDependencies++;
            if (Module["monitorRunDependencies"]) {
                Module["monitorRunDependencies"](runDependencies)
            }
        }
        function removeRunDependency(id) {
            runDependencies--;
            if (Module["monitorRunDependencies"]) {
                Module["monitorRunDependencies"](runDependencies)
            }
            if (runDependencies == 0) {
                if (runDependencyWatcher !== null) {
                    clearInterval(runDependencyWatcher);
                    runDependencyWatcher = null
                }
                if (dependenciesFulfilled) {
                    var callback = dependenciesFulfilled;
                    dependenciesFulfilled = null;
                    callback()
                }
            }
        }
        function abort(what) {
            if (Module["onAbort"]) {
                Module["onAbort"](what)
            }
            what = "Aborted(" + what + ")";
            err(what);
            ABORT = true;
            EXITSTATUS = 1;
            what += ". Build with -sASSERTIONS for more info.";
            var e = new WebAssembly.RuntimeError(what);
            readyPromiseReject(e);
            throw e
        }
        var dataURIPrefix = "data:application/octet-stream;base64,";
        function isDataURI(filename) {
            return filename.startsWith(dataURIPrefix)
        }
        function isFileURI(filename) {
            return filename.startsWith("file://")
        }
        var wasmBinaryFile;
        wasmBinaryFile = "DHLiveMini.wasm";
        if (!isDataURI(wasmBinaryFile)) {
            wasmBinaryFile = locateFile(wasmBinaryFile)
        }
        function getBinary(file) {
            try {
                if (file == wasmBinaryFile && wasmBinary) {
                    return new Uint8Array(wasmBinary)
                }
                if (readBinary) {
                    return readBinary(file)
                }
                throw "both async and sync fetching of the wasm failed"
            } catch (err) {
                abort(err)
            }
        }
        function getBinaryPromise() {
            if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
                if (typeof fetch == "function" && !isFileURI(wasmBinaryFile)) {
                    return fetch(wasmBinaryFile, {
                        credentials: "same-origin"
                    }).then(function(response) {
                        if (!response["ok"]) {
                            throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"
                        }
                        return response["arrayBuffer"]()
                    }).catch(function() {
                        return getBinary(wasmBinaryFile)
                    })
                } else {
                    if (readAsync) {
                        return new Promise(function(resolve, reject) {
                            readAsync(wasmBinaryFile, function(response) {
                                resolve(new Uint8Array(response))
                            }, reject)
                        }
                        )
                    }
                }
            }
            return Promise.resolve().then(function() {
                return getBinary(wasmBinaryFile)
            })
        }
        function createWasm() {
            var info = {
                "env": asmLibraryArg,
                "wasi_snapshot_preview1": asmLibraryArg
            };
            function receiveInstance(instance, module) {
                var exports = instance.exports;
                Module["asm"] = exports;
                wasmMemory = Module["asm"]["memory"];
                updateGlobalBufferAndViews(wasmMemory.buffer);
                wasmTable = Module["asm"]["__indirect_function_table"];
                addOnInit(Module["asm"]["__wasm_call_ctors"]);
                removeRunDependency("wasm-instantiate")
            }
            addRunDependency("wasm-instantiate");
            function receiveInstantiationResult(result) {
                receiveInstance(result["instance"])
            }
            function instantiateArrayBuffer(receiver) {
                return getBinaryPromise().then(function(binary) {
                    return WebAssembly.instantiate(binary, info)
                }).then(function(instance) {
                    return instance
                }).then(receiver, function(reason) {
                    err("failed to asynchronously prepare wasm: " + reason);
                    abort(reason)
                })
            }
            function instantiateAsync() {
                if (!wasmBinary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(wasmBinaryFile) && !isFileURI(wasmBinaryFile) && !ENVIRONMENT_IS_NODE && typeof fetch == "function") {
                    return fetch(wasmBinaryFile, {
                        credentials: "same-origin"
                    }).then(function(response) {
                        var result = WebAssembly.instantiateStreaming(response, info);
                        return result.then(receiveInstantiationResult, function(reason) {
                            err("wasm streaming compile failed: " + reason);
                            err("falling back to ArrayBuffer instantiation");
                            return instantiateArrayBuffer(receiveInstantiationResult)
                        })
                    })
                } else {
                    return instantiateArrayBuffer(receiveInstantiationResult)
                }
            }
            if (Module["instantiateWasm"]) {
                try {
                    var exports = Module["instantiateWasm"](info, receiveInstance);
                    return exports
                } catch (e) {
                    err("Module.instantiateWasm callback failed with error: " + e);
                    readyPromiseReject(e)
                }
            }
            instantiateAsync().catch(readyPromiseReject);
            return {}
        }
        var tempDouble;
        var tempI64;
        function ExitStatus(status) {
            this.name = "ExitStatus";
            this.message = "Program terminated with exit(" + status + ")";
            this.status = status
        }
        function callRuntimeCallbacks(callbacks) {
            while (callbacks.length > 0) {
                callbacks.shift()(Module)
            }
        }
        function ___assert_fail(condition, filename, line, func) {
            abort("Assertion failed: " + UTF8ToString(condition) + ", at: " + [filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function"])
        }
        function ExceptionInfo(excPtr) {
            this.excPtr = excPtr;
            this.ptr = excPtr - 24;
            this.set_type = function(type) {
                HEAPU32[this.ptr + 4 >> 2] = type
            }
            ;
            this.get_type = function() {
                return HEAPU32[this.ptr + 4 >> 2]
            }
            ;
            this.set_destructor = function(destructor) {
                HEAPU32[this.ptr + 8 >> 2] = destructor
            }
            ;
            this.get_destructor = function() {
                return HEAPU32[this.ptr + 8 >> 2]
            }
            ;
            this.set_refcount = function(refcount) {
                HEAP32[this.ptr >> 2] = refcount
            }
            ;
            this.set_caught = function(caught) {
                caught = caught ? 1 : 0;
                HEAP8[this.ptr + 12 >> 0] = caught
            }
            ;
            this.get_caught = function() {
                return HEAP8[this.ptr + 12 >> 0] != 0
            }
            ;
            this.set_rethrown = function(rethrown) {
                rethrown = rethrown ? 1 : 0;
                HEAP8[this.ptr + 13 >> 0] = rethrown
            }
            ;
            this.get_rethrown = function() {
                return HEAP8[this.ptr + 13 >> 0] != 0
            }
            ;
            this.init = function(type, destructor) {
                this.set_adjusted_ptr(0);
                this.set_type(type);
                this.set_destructor(destructor);
                this.set_refcount(0);
                this.set_caught(false);
                this.set_rethrown(false)
            }
            ;
            this.add_ref = function() {
                var value = HEAP32[this.ptr >> 2];
                HEAP32[this.ptr >> 2] = value + 1
            }
            ;
            this.release_ref = function() {
                var prev = HEAP32[this.ptr >> 2];
                HEAP32[this.ptr >> 2] = prev - 1;
                return prev === 1
            }
            ;
            this.set_adjusted_ptr = function(adjustedPtr) {
                HEAPU32[this.ptr + 16 >> 2] = adjustedPtr
            }
            ;
            this.get_adjusted_ptr = function() {
                return HEAPU32[this.ptr + 16 >> 2]
            }
            ;
            this.get_exception_ptr = function() {
                var isPointer = ___cxa_is_pointer_type(this.get_type());
                if (isPointer) {
                    return HEAPU32[this.excPtr >> 2]
                }
                var adjusted = this.get_adjusted_ptr();
                if (adjusted !== 0)
                    return adjusted;
                return this.excPtr
            }
        }
        var exceptionLast = 0;
        var uncaughtExceptionCount = 0;
        function ___cxa_throw(ptr, type, destructor) {
            var info = new ExceptionInfo(ptr);
            info.init(type, destructor);
            exceptionLast = ptr;
            uncaughtExceptionCount++;
            throw ptr
        }
        function embindRepr(v) {
            if (v === null) {
                return "null"
            }
            var t = typeof v;
            if (t === "object" || t === "array" || t === "function") {
                return v.toString()
            } else {
                return "" + v
            }
        }
        function embind_init_charCodes() {
            var codes = new Array(256);
            for (var i = 0; i < 256; ++i) {
                codes[i] = String.fromCharCode(i)
            }
            embind_charCodes = codes
        }
        var embind_charCodes = undefined;
        function readLatin1String(ptr) {
            var ret = "";
            var c = ptr;
            while (HEAPU8[c]) {
                ret += embind_charCodes[HEAPU8[c++]]
            }
            return ret
        }
        var awaitingDependencies = {};
        var registeredTypes = {};
        var typeDependencies = {};
        var char_0 = 48;
        var char_9 = 57;
        function makeLegalFunctionName(name) {
            if (undefined === name) {
                return "_unknown"
            }
            name = name.replace(/[^a-zA-Z0-9_]/g, "$");
            var f = name.charCodeAt(0);
            if (f >= char_0 && f <= char_9) {
                return "_" + name
            }
            return name
        }
        function createNamedFunction(name, body) {
            name = makeLegalFunctionName(name);
            return new Function("body","return function " + name + "() {\n" + '    "use strict";' + "    return body.apply(this, arguments);\n" + "};\n")(body)
        }
        function extendError(baseErrorType, errorName) {
            var errorClass = createNamedFunction(errorName, function(message) {
                this.name = errorName;
                this.message = message;
                var stack = new Error(message).stack;
                if (stack !== undefined) {
                    this.stack = this.toString() + "\n" + stack.replace(/^Error(:[^\n]*)?\n/, "")
                }
            });
            errorClass.prototype = Object.create(baseErrorType.prototype);
            errorClass.prototype.constructor = errorClass;
            errorClass.prototype.toString = function() {
                if (this.message === undefined) {
                    return this.name
                } else {
                    return this.name + ": " + this.message
                }
            }
            ;
            return errorClass
        }
        var BindingError = undefined;
        function throwBindingError(message) {
            throw new BindingError(message)
        }
        var InternalError = undefined;
        function throwInternalError(message) {
            throw new InternalError(message)
        }
        function registerType(rawType, registeredInstance, options={}) {
            if (!("argPackAdvance"in registeredInstance)) {
                throw new TypeError("registerType registeredInstance requires argPackAdvance")
            }
            var name = registeredInstance.name;
            if (!rawType) {
                throwBindingError('type "' + name + '" must have a positive integer typeid pointer')
            }
            if (registeredTypes.hasOwnProperty(rawType)) {
                if (options.ignoreDuplicateRegistrations) {
                    return
                } else {
                    throwBindingError("Cannot register type '" + name + "' twice")
                }
            }
            registeredTypes[rawType] = registeredInstance;
            delete typeDependencies[rawType];
            if (awaitingDependencies.hasOwnProperty(rawType)) {
                var callbacks = awaitingDependencies[rawType];
                delete awaitingDependencies[rawType];
                callbacks.forEach(cb => cb())
            }
        }
        function integerReadValueFromPointer(name, shift, signed) {
            switch (shift) {
            case 0:
                return signed ? function readS8FromPointer(pointer) {
                    return HEAP8[pointer]
                }
                : function readU8FromPointer(pointer) {
                    return HEAPU8[pointer]
                }
                ;
            case 1:
                return signed ? function readS16FromPointer(pointer) {
                    return HEAP16[pointer >> 1]
                }
                : function readU16FromPointer(pointer) {
                    return HEAPU16[pointer >> 1]
                }
                ;
            case 2:
                return signed ? function readS32FromPointer(pointer) {
                    return HEAP32[pointer >> 2]
                }
                : function readU32FromPointer(pointer) {
                    return HEAPU32[pointer >> 2]
                }
                ;
            case 3:
                return signed ? function readS64FromPointer(pointer) {
                    return HEAP64[pointer >> 3]
                }
                : function readU64FromPointer(pointer) {
                    return HEAPU64[pointer >> 3]
                }
                ;
            default:
                throw new TypeError("Unknown integer type: " + name)
            }
        }
        function __embind_register_bigint(primitiveType, name, size, minRange, maxRange) {
            name = readLatin1String(name);
            var shift = getShiftFromSize(size);
            var isUnsignedType = name.indexOf("u") != -1;
            if (isUnsignedType) {
                maxRange = (1n << 64n) - 1n
            }
            registerType(primitiveType, {
                name: name,
                "fromWireType": function(value) {
                    return value
                },
                "toWireType": function(destructors, value) {
                    if (typeof value != "bigint" && typeof value != "number") {
                        throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + this.name)
                    }
                    if (value < minRange || value > maxRange) {
                        throw new TypeError('Passing a number "' + embindRepr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ", " + maxRange + "]!")
                    }
                    return value
                },
                "argPackAdvance": 8,
                "readValueFromPointer": integerReadValueFromPointer(name, shift, !isUnsignedType),
                destructorFunction: null
            })
        }
        function getShiftFromSize(size) {
            switch (size) {
            case 1:
                return 0;
            case 2:
                return 1;
            case 4:
                return 2;
            case 8:
                return 3;
            default:
                throw new TypeError("Unknown type size: " + size)
            }
        }
        function __embind_register_bool(rawType, name, size, trueValue, falseValue) {
            var shift = getShiftFromSize(size);
            name = readLatin1String(name);
            registerType(rawType, {
                name: name,
                "fromWireType": function(wt) {
                    return !!wt
                },
                "toWireType": function(destructors, o) {
                    return o ? trueValue : falseValue
                },
                "argPackAdvance": 8,
                "readValueFromPointer": function(pointer) {
                    var heap;
                    if (size === 1) {
                        heap = HEAP8
                    } else if (size === 2) {
                        heap = HEAP16
                    } else if (size === 4) {
                        heap = HEAP32
                    } else {
                        throw new TypeError("Unknown boolean type size: " + name)
                    }
                    return this["fromWireType"](heap[pointer >> shift])
                },
                destructorFunction: null
            })
        }
        var emval_free_list = [];
        var emval_handle_array = [{}, {
            value: undefined
        }, {
            value: null
        }, {
            value: true
        }, {
            value: false
        }];
        function __emval_decref(handle) {
            if (handle > 4 && 0 === --emval_handle_array[handle].refcount) {
                emval_handle_array[handle] = undefined;
                emval_free_list.push(handle)
            }
        }
        function count_emval_handles() {
            var count = 0;
            for (var i = 5; i < emval_handle_array.length; ++i) {
                if (emval_handle_array[i] !== undefined) {
                    ++count
                }
            }
            return count
        }
        function get_first_emval() {
            for (var i = 5; i < emval_handle_array.length; ++i) {
                if (emval_handle_array[i] !== undefined) {
                    return emval_handle_array[i]
                }
            }
            return null
        }
        function init_emval() {
            Module["count_emval_handles"] = count_emval_handles;
            Module["get_first_emval"] = get_first_emval
        }
        var Emval = {
            toValue: handle => {
                if (!handle) {
                    throwBindingError("Cannot use deleted val. handle = " + handle)
                }
                return emval_handle_array[handle].value
            }
            ,
            toHandle: value => {
                switch (value) {
                case undefined:
                    return 1;
                case null:
                    return 2;
                case true:
                    return 3;
                case false:
                    return 4;
                default:
                    {
                        var handle = emval_free_list.length ? emval_free_list.pop() : emval_handle_array.length;
                        emval_handle_array[handle] = {
                            refcount: 1,
                            value: value
                        };
                        return handle
                    }
                }
            }
        };
        function simpleReadValueFromPointer(pointer) {
            return this["fromWireType"](HEAP32[pointer >> 2])
        }
        function __embind_register_emval(rawType, name) {
            name = readLatin1String(name);
            registerType(rawType, {
                name: name,
                "fromWireType": function(handle) {
                    var rv = Emval.toValue(handle);
                    __emval_decref(handle);
                    return rv
                },
                "toWireType": function(destructors, value) {
                    return Emval.toHandle(value)
                },
                "argPackAdvance": 8,
                "readValueFromPointer": simpleReadValueFromPointer,
                destructorFunction: null
            })
        }
        function floatReadValueFromPointer(name, shift) {
            switch (shift) {
            case 2:
                return function(pointer) {
                    return this["fromWireType"](HEAPF32[pointer >> 2])
                }
                ;
            case 3:
                return function(pointer) {
                    return this["fromWireType"](HEAPF64[pointer >> 3])
                }
                ;
            default:
                throw new TypeError("Unknown float type: " + name)
            }
        }
        function __embind_register_float(rawType, name, size) {
            var shift = getShiftFromSize(size);
            name = readLatin1String(name);
            registerType(rawType, {
                name: name,
                "fromWireType": function(value) {
                    return value
                },
                "toWireType": function(destructors, value) {
                    return value
                },
                "argPackAdvance": 8,
                "readValueFromPointer": floatReadValueFromPointer(name, shift),
                destructorFunction: null
            })
        }
        function __embind_register_integer(primitiveType, name, size, minRange, maxRange) {
            name = readLatin1String(name);
            if (maxRange === -1) {
                maxRange = 4294967295
            }
            var shift = getShiftFromSize(size);
            var fromWireType = value => value;
            if (minRange === 0) {
                var bitshift = 32 - 8 * size;
                fromWireType = value => value << bitshift >>> bitshift
            }
            var isUnsignedType = name.includes("unsigned");
            var checkAssertions = (value, toTypeName) => {}
            ;
            var toWireType;
            if (isUnsignedType) {
                toWireType = function(destructors, value) {
                    checkAssertions(value, this.name);
                    return value >>> 0
                }
            } else {
                toWireType = function(destructors, value) {
                    checkAssertions(value, this.name);
                    return value
                }
            }
            registerType(primitiveType, {
                name: name,
                "fromWireType": fromWireType,
                "toWireType": toWireType,
                "argPackAdvance": 8,
                "readValueFromPointer": integerReadValueFromPointer(name, shift, minRange !== 0),
                destructorFunction: null
            })
        }
        function __embind_register_memory_view(rawType, dataTypeIndex, name) {
            var typeMapping = [Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array, BigInt64Array, BigUint64Array];
            var TA = typeMapping[dataTypeIndex];
            function decodeMemoryView(handle) {
                handle = handle >> 2;
                var heap = HEAPU32;
                var size = heap[handle];
                var data = heap[handle + 1];
                return new TA(buffer,data,size)
            }
            name = readLatin1String(name);
            registerType(rawType, {
                name: name,
                "fromWireType": decodeMemoryView,
                "argPackAdvance": 8,
                "readValueFromPointer": decodeMemoryView
            }, {
                ignoreDuplicateRegistrations: true
            })
        }
        function __embind_register_std_string(rawType, name) {
            name = readLatin1String(name);
            var stdStringIsUTF8 = name === "std::string";
            registerType(rawType, {
                name: name,
                "fromWireType": function(value) {
                    var length = HEAPU32[value >> 2];
                    var payload = value + 4;
                    var str;
                    if (stdStringIsUTF8) {
                        var decodeStartPtr = payload;
                        for (var i = 0; i <= length; ++i) {
                            var currentBytePtr = payload + i;
                            if (i == length || HEAPU8[currentBytePtr] == 0) {
                                var maxRead = currentBytePtr - decodeStartPtr;
                                var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
                                if (str === undefined) {
                                    str = stringSegment
                                } else {
                                    str += String.fromCharCode(0);
                                    str += stringSegment
                                }
                                decodeStartPtr = currentBytePtr + 1
                            }
                        }
                    } else {
                        var a = new Array(length);
                        for (var i = 0; i < length; ++i) {
                            a[i] = String.fromCharCode(HEAPU8[payload + i])
                        }
                        str = a.join("")
                    }
                    _free(value);
                    return str
                },
                "toWireType": function(destructors, value) {
                    if (value instanceof ArrayBuffer) {
                        value = new Uint8Array(value)
                    }
                    var length;
                    var valueIsOfTypeString = typeof value == "string";
                    if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) {
                        throwBindingError("Cannot pass non-string to std::string")
                    }
                    if (stdStringIsUTF8 && valueIsOfTypeString) {
                        length = lengthBytesUTF8(value)
                    } else {
                        length = value.length
                    }
                    var base = _malloc(4 + length + 1);
                    var ptr = base + 4;
                    HEAPU32[base >> 2] = length;
                    if (stdStringIsUTF8 && valueIsOfTypeString) {
                        stringToUTF8(value, ptr, length + 1)
                    } else {
                        if (valueIsOfTypeString) {
                            for (var i = 0; i < length; ++i) {
                                var charCode = value.charCodeAt(i);
                                if (charCode > 255) {
                                    _free(ptr);
                                    throwBindingError("String has UTF-16 code units that do not fit in 8 bits")
                                }
                                HEAPU8[ptr + i] = charCode
                            }
                        } else {
                            for (var i = 0; i < length; ++i) {
                                HEAPU8[ptr + i] = value[i]
                            }
                        }
                    }
                    if (destructors !== null) {
                        destructors.push(_free, base)
                    }
                    return base
                },
                "argPackAdvance": 8,
                "readValueFromPointer": simpleReadValueFromPointer,
                destructorFunction: function(ptr) {
                    _free(ptr)
                }
            })
        }
        var UTF16Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf-16le") : undefined;
        function UTF16ToString(ptr, maxBytesToRead) {
            var endPtr = ptr;
            var idx = endPtr >> 1;
            var maxIdx = idx + maxBytesToRead / 2;
            while (!(idx >= maxIdx) && HEAPU16[idx])
                ++idx;
            endPtr = idx << 1;
            if (endPtr - ptr > 32 && UTF16Decoder)
                return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
            var str = "";
            for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
                var codeUnit = HEAP16[ptr + i * 2 >> 1];
                if (codeUnit == 0)
                    break;
                str += String.fromCharCode(codeUnit)
            }
            return str
        }
        function stringToUTF16(str, outPtr, maxBytesToWrite) {
            if (maxBytesToWrite === undefined) {
                maxBytesToWrite = 2147483647
            }
            if (maxBytesToWrite < 2)
                return 0;
            maxBytesToWrite -= 2;
            var startPtr = outPtr;
            var numCharsToWrite = maxBytesToWrite < str.length * 2 ? maxBytesToWrite / 2 : str.length;
            for (var i = 0; i < numCharsToWrite; ++i) {
                var codeUnit = str.charCodeAt(i);
                HEAP16[outPtr >> 1] = codeUnit;
                outPtr += 2
            }
            HEAP16[outPtr >> 1] = 0;
            return outPtr - startPtr
        }
        function lengthBytesUTF16(str) {
            return str.length * 2
        }
        function UTF32ToString(ptr, maxBytesToRead) {
            var i = 0;
            var str = "";
            while (!(i >= maxBytesToRead / 4)) {
                var utf32 = HEAP32[ptr + i * 4 >> 2];
                if (utf32 == 0)
                    break;
                ++i;
                if (utf32 >= 65536) {
                    var ch = utf32 - 65536;
                    str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
                } else {
                    str += String.fromCharCode(utf32)
                }
            }
            return str
        }
        function stringToUTF32(str, outPtr, maxBytesToWrite) {
            if (maxBytesToWrite === undefined) {
                maxBytesToWrite = 2147483647
            }
            if (maxBytesToWrite < 4)
                return 0;
            var startPtr = outPtr;
            var endPtr = startPtr + maxBytesToWrite - 4;
            for (var i = 0; i < str.length; ++i) {
                var codeUnit = str.charCodeAt(i);
                if (codeUnit >= 55296 && codeUnit <= 57343) {
                    var trailSurrogate = str.charCodeAt(++i);
                    codeUnit = 65536 + ((codeUnit & 1023) << 10) | trailSurrogate & 1023
                }
                HEAP32[outPtr >> 2] = codeUnit;
                outPtr += 4;
                if (outPtr + 4 > endPtr)
                    break
            }
            HEAP32[outPtr >> 2] = 0;
            return outPtr - startPtr
        }
        function lengthBytesUTF32(str) {
            var len = 0;
            for (var i = 0; i < str.length; ++i) {
                var codeUnit = str.charCodeAt(i);
                if (codeUnit >= 55296 && codeUnit <= 57343)
                    ++i;
                len += 4
            }
            return len
        }
        function __embind_register_std_wstring(rawType, charSize, name) {
            name = readLatin1String(name);
            var decodeString, encodeString, getHeap, lengthBytesUTF, shift;
            if (charSize === 2) {
                decodeString = UTF16ToString;
                encodeString = stringToUTF16;
                lengthBytesUTF = lengthBytesUTF16;
                getHeap = () => HEAPU16;
                shift = 1
            } else if (charSize === 4) {
                decodeString = UTF32ToString;
                encodeString = stringToUTF32;
                lengthBytesUTF = lengthBytesUTF32;
                getHeap = () => HEAPU32;
                shift = 2
            }
            registerType(rawType, {
                name: name,
                "fromWireType": function(value) {
                    var length = HEAPU32[value >> 2];
                    var HEAP = getHeap();
                    var str;
                    var decodeStartPtr = value + 4;
                    for (var i = 0; i <= length; ++i) {
                        var currentBytePtr = value + 4 + i * charSize;
                        if (i == length || HEAP[currentBytePtr >> shift] == 0) {
                            var maxReadBytes = currentBytePtr - decodeStartPtr;
                            var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
                            if (str === undefined) {
                                str = stringSegment
                            } else {
                                str += String.fromCharCode(0);
                                str += stringSegment
                            }
                            decodeStartPtr = currentBytePtr + charSize
                        }
                    }
                    _free(value);
                    return str
                },
                "toWireType": function(destructors, value) {
                    if (!(typeof value == "string")) {
                        throwBindingError("Cannot pass non-string to C++ string type " + name)
                    }
                    var length = lengthBytesUTF(value);
                    var ptr = _malloc(4 + length + charSize);
                    HEAPU32[ptr >> 2] = length >> shift;
                    encodeString(value, ptr + 4, length + charSize);
                    if (destructors !== null) {
                        destructors.push(_free, ptr)
                    }
                    return ptr
                },
                "argPackAdvance": 8,
                "readValueFromPointer": simpleReadValueFromPointer,
                destructorFunction: function(ptr) {
                    _free(ptr)
                }
            })
        }
        function __embind_register_void(rawType, name) {
            name = readLatin1String(name);
            registerType(rawType, {
                isVoid: true,
                name: name,
                "argPackAdvance": 0,
                "fromWireType": function() {
                    return undefined
                },
                "toWireType": function(destructors, o) {
                    return undefined
                }
            })
        }
        function _abort() {
            abort("")
        }
        function _emscripten_memcpy_big(dest, src, num) {
            HEAPU8.copyWithin(dest, src, src + num)
        }
        function getHeapMax() {
            return 2147483648
        }
        function emscripten_realloc_buffer(size) {
            try {
                wasmMemory.grow(size - buffer.byteLength + 65535 >>> 16);
                updateGlobalBufferAndViews(wasmMemory.buffer);
                return 1
            } catch (e) {}
        }
        function _emscripten_resize_heap(requestedSize) {
            var oldSize = HEAPU8.length;
            requestedSize = requestedSize >>> 0;
            var maxHeapSize = getHeapMax();
            if (requestedSize > maxHeapSize) {
                return false
            }
            let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
            for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
                var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
                overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
                var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
                var replacement = emscripten_realloc_buffer(newSize);
                if (replacement) {
                    return true
                }
            }
            return false
        }
        var ENV = {};
        function getExecutableName() {
            return thisProgram || "./this.program"
        }
        function getEnvStrings() {
            if (!getEnvStrings.strings) {
                var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
                var env = {
                    "USER": "web_user",
                    "LOGNAME": "web_user",
                    "PATH": "/",
                    "PWD": "/",
                    "HOME": "/home/web_user",
                    "LANG": lang,
                    "_": getExecutableName()
                };
                for (var x in ENV) {
                    if (ENV[x] === undefined)
                        delete env[x];
                    else
                        env[x] = ENV[x]
                }
                var strings = [];
                for (var x in env) {
                    strings.push(x + "=" + env[x])
                }
                getEnvStrings.strings = strings
            }
            return getEnvStrings.strings
        }
        function writeAsciiToMemory(str, buffer, dontAddNull) {
            for (var i = 0; i < str.length; ++i) {
                HEAP8[buffer++ >> 0] = str.charCodeAt(i)
            }
            if (!dontAddNull)
                HEAP8[buffer >> 0] = 0
        }
        var PATH = {
            isAbs: path => path.charAt(0) === "/",
            splitPath: filename => {
                var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
                return splitPathRe.exec(filename).slice(1)
            }
            ,
            normalizeArray: (parts, allowAboveRoot) => {
                var up = 0;
                for (var i = parts.length - 1; i >= 0; i--) {
                    var last = parts[i];
                    if (last === ".") {
                        parts.splice(i, 1)
                    } else if (last === "..") {
                        parts.splice(i, 1);
                        up++
                    } else if (up) {
                        parts.splice(i, 1);
                        up--
                    }
                }
                if (allowAboveRoot) {
                    for (; up; up--) {
                        parts.unshift("..")
                    }
                }
                return parts
            }
            ,
            normalize: path => {
                var isAbsolute = PATH.isAbs(path)
                  , trailingSlash = path.substr(-1) === "/";
                path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
                if (!path && !isAbsolute) {
                    path = "."
                }
                if (path && trailingSlash) {
                    path += "/"
                }
                return (isAbsolute ? "/" : "") + path
            }
            ,
            dirname: path => {
                var result = PATH.splitPath(path)
                  , root = result[0]
                  , dir = result[1];
                if (!root && !dir) {
                    return "."
                }
                if (dir) {
                    dir = dir.substr(0, dir.length - 1)
                }
                return root + dir
            }
            ,
            basename: path => {
                if (path === "/")
                    return "/";
                path = PATH.normalize(path);
                path = path.replace(/\/$/, "");
                var lastSlash = path.lastIndexOf("/");
                if (lastSlash === -1)
                    return path;
                return path.substr(lastSlash + 1)
            }
            ,
            join: function() {
                var paths = Array.prototype.slice.call(arguments);
                return PATH.normalize(paths.join("/"))
            },
            join2: (l, r) => {
                return PATH.normalize(l + "/" + r)
            }
        };
        function getRandomDevice() {
            if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
                var randomBuffer = new Uint8Array(1);
                return () => {
                    crypto.getRandomValues(randomBuffer);
                    return randomBuffer[0]
                }
            } else if (ENVIRONMENT_IS_NODE) {
                try {
                    var crypto_module = require("crypto");
                    return () => crypto_module["randomBytes"](1)[0]
                } catch (e) {}
            }
            return () => abort("randomDevice")
        }
        var PATH_FS = {
            resolve: function() {
                var resolvedPath = ""
                  , resolvedAbsolute = false;
                for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
                    var path = i >= 0 ? arguments[i] : FS.cwd();
                    if (typeof path != "string") {
                        throw new TypeError("Arguments to path.resolve must be strings")
                    } else if (!path) {
                        return ""
                    }
                    resolvedPath = path + "/" + resolvedPath;
                    resolvedAbsolute = PATH.isAbs(path)
                }
                resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
                return (resolvedAbsolute ? "/" : "") + resolvedPath || "."
            },
            relative: (from, to) => {
                from = PATH_FS.resolve(from).substr(1);
                to = PATH_FS.resolve(to).substr(1);
                function trim(arr) {
                    var start = 0;
                    for (; start < arr.length; start++) {
                        if (arr[start] !== "")
                            break
                    }
                    var end = arr.length - 1;
                    for (; end >= 0; end--) {
                        if (arr[end] !== "")
                            break
                    }
                    if (start > end)
                        return [];
                    return arr.slice(start, end - start + 1)
                }
                var fromParts = trim(from.split("/"));
                var toParts = trim(to.split("/"));
                var length = Math.min(fromParts.length, toParts.length);
                var samePartsLength = length;
                for (var i = 0; i < length; i++) {
                    if (fromParts[i] !== toParts[i]) {
                        samePartsLength = i;
                        break
                    }
                }
                var outputParts = [];
                for (var i = samePartsLength; i < fromParts.length; i++) {
                    outputParts.push("..")
                }
                outputParts = outputParts.concat(toParts.slice(samePartsLength));
                return outputParts.join("/")
            }
        };
        function intArrayFromString(stringy, dontAddNull, length) {
            var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
            var u8array = new Array(len);
            var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
            if (dontAddNull)
                u8array.length = numBytesWritten;
            return u8array
        }
        var TTY = {
            ttys: [],
            init: function() {},
            shutdown: function() {},
            register: function(dev, ops) {
                TTY.ttys[dev] = {
                    input: [],
                    output: [],
                    ops: ops
                };
                FS.registerDevice(dev, TTY.stream_ops)
            },
            stream_ops: {
                open: function(stream) {
                    var tty = TTY.ttys[stream.node.rdev];
                    if (!tty) {
                        throw new FS.ErrnoError(43)
                    }
                    stream.tty = tty;
                    stream.seekable = false
                },
                close: function(stream) {
                    stream.tty.ops.fsync(stream.tty)
                },
                fsync: function(stream) {
                    stream.tty.ops.fsync(stream.tty)
                },
                read: function(stream, buffer, offset, length, pos) {
                    if (!stream.tty || !stream.tty.ops.get_char) {
                        throw new FS.ErrnoError(60)
                    }
                    var bytesRead = 0;
                    for (var i = 0; i < length; i++) {
                        var result;
                        try {
                            result = stream.tty.ops.get_char(stream.tty)
                        } catch (e) {
                            throw new FS.ErrnoError(29)
                        }
                        if (result === undefined && bytesRead === 0) {
                            throw new FS.ErrnoError(6)
                        }
                        if (result === null || result === undefined)
                            break;
                        bytesRead++;
                        buffer[offset + i] = result
                    }
                    if (bytesRead) {
                        stream.node.timestamp = Date.now()
                    }
                    return bytesRead
                },
                write: function(stream, buffer, offset, length, pos) {
                    if (!stream.tty || !stream.tty.ops.put_char) {
                        throw new FS.ErrnoError(60)
                    }
                    try {
                        for (var i = 0; i < length; i++) {
                            stream.tty.ops.put_char(stream.tty, buffer[offset + i])
                        }
                    } catch (e) {
                        throw new FS.ErrnoError(29)
                    }
                    if (length) {
                        stream.node.timestamp = Date.now()
                    }
                    return i
                }
            },
            default_tty_ops: {
                get_char: function(tty) {
                    if (!tty.input.length) {
                        var result = null;
                        if (ENVIRONMENT_IS_NODE) {
                            var BUFSIZE = 256;
                            var buf = Buffer.alloc(BUFSIZE);
                            var bytesRead = 0;
                            try {
                                bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1)
                            } catch (e) {
                                if (e.toString().includes("EOF"))
                                    bytesRead = 0;
                                else
                                    throw e
                            }
                            if (bytesRead > 0) {
                                result = buf.slice(0, bytesRead).toString("utf-8")
                            } else {
                                result = null
                            }
                        } else if (typeof window != "undefined" && typeof window.prompt == "function") {
                            result = window.prompt("Input: ");
                            if (result !== null) {
                                result += "\n"
                            }
                        } else if (typeof readline == "function") {
                            result = readline();
                            if (result !== null) {
                                result += "\n"
                            }
                        }
                        if (!result) {
                            return null
                        }
                        tty.input = intArrayFromString(result, true)
                    }
                    return tty.input.shift()
                },
                put_char: function(tty, val) {
                    if (val === null || val === 10) {
                        out(UTF8ArrayToString(tty.output, 0));
                        tty.output = []
                    } else {
                        if (val != 0)
                            tty.output.push(val)
                    }
                },
                fsync: function(tty) {
                    if (tty.output && tty.output.length > 0) {
                        out(UTF8ArrayToString(tty.output, 0));
                        tty.output = []
                    }
                }
            },
            default_tty1_ops: {
                put_char: function(tty, val) {
                    if (val === null || val === 10) {
                        err(UTF8ArrayToString(tty.output, 0));
                        tty.output = []
                    } else {
                        if (val != 0)
                            tty.output.push(val)
                    }
                },
                fsync: function(tty) {
                    if (tty.output && tty.output.length > 0) {
                        err(UTF8ArrayToString(tty.output, 0));
                        tty.output = []
                    }
                }
            }
        };
        function mmapAlloc(size) {
            abort()
        }
        var MEMFS = {
            ops_table: null,
            mount: function(mount) {
                return MEMFS.createNode(null, "/", 16384 | 511, 0)
            },
            createNode: function(parent, name, mode, dev) {
                if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
                    throw new FS.ErrnoError(63)
                }
                if (!MEMFS.ops_table) {
                    MEMFS.ops_table = {
                        dir: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr,
                                lookup: MEMFS.node_ops.lookup,
                                mknod: MEMFS.node_ops.mknod,
                                rename: MEMFS.node_ops.rename,
                                unlink: MEMFS.node_ops.unlink,
                                rmdir: MEMFS.node_ops.rmdir,
                                readdir: MEMFS.node_ops.readdir,
                                symlink: MEMFS.node_ops.symlink
                            },
                            stream: {
                                llseek: MEMFS.stream_ops.llseek
                            }
                        },
                        file: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr
                            },
                            stream: {
                                llseek: MEMFS.stream_ops.llseek,
                                read: MEMFS.stream_ops.read,
                                write: MEMFS.stream_ops.write,
                                allocate: MEMFS.stream_ops.allocate,
                                mmap: MEMFS.stream_ops.mmap,
                                msync: MEMFS.stream_ops.msync
                            }
                        },
                        link: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr,
                                readlink: MEMFS.node_ops.readlink
                            },
                            stream: {}
                        },
                        chrdev: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr
                            },
                            stream: FS.chrdev_stream_ops
                        }
                    }
                }
                var node = FS.createNode(parent, name, mode, dev);
                if (FS.isDir(node.mode)) {
                    node.node_ops = MEMFS.ops_table.dir.node;
                    node.stream_ops = MEMFS.ops_table.dir.stream;
                    node.contents = {}
                } else if (FS.isFile(node.mode)) {
                    node.node_ops = MEMFS.ops_table.file.node;
                    node.stream_ops = MEMFS.ops_table.file.stream;
                    node.usedBytes = 0;
                    node.contents = null
                } else if (FS.isLink(node.mode)) {
                    node.node_ops = MEMFS.ops_table.link.node;
                    node.stream_ops = MEMFS.ops_table.link.stream
                } else if (FS.isChrdev(node.mode)) {
                    node.node_ops = MEMFS.ops_table.chrdev.node;
                    node.stream_ops = MEMFS.ops_table.chrdev.stream
                }
                node.timestamp = Date.now();
                if (parent) {
                    parent.contents[name] = node;
                    parent.timestamp = node.timestamp
                }
                return node
            },
            getFileDataAsTypedArray: function(node) {
                if (!node.contents)
                    return new Uint8Array(0);
                if (node.contents.subarray)
                    return node.contents.subarray(0, node.usedBytes);
                return new Uint8Array(node.contents)
            },
            expandFileStorage: function(node, newCapacity) {
                var prevCapacity = node.contents ? node.contents.length : 0;
                if (prevCapacity >= newCapacity)
                    return;
                var CAPACITY_DOUBLING_MAX = 1024 * 1024;
                newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
                if (prevCapacity != 0)
                    newCapacity = Math.max(newCapacity, 256);
                var oldContents = node.contents;
                node.contents = new Uint8Array(newCapacity);
                if (node.usedBytes > 0)
                    node.contents.set(oldContents.subarray(0, node.usedBytes), 0)
            },
            resizeFileStorage: function(node, newSize) {
                if (node.usedBytes == newSize)
                    return;
                if (newSize == 0) {
                    node.contents = null;
                    node.usedBytes = 0
                } else {
                    var oldContents = node.contents;
                    node.contents = new Uint8Array(newSize);
                    if (oldContents) {
                        node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)))
                    }
                    node.usedBytes = newSize
                }
            },
            node_ops: {
                getattr: function(node) {
                    var attr = {};
                    attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
                    attr.ino = node.id;
                    attr.mode = node.mode;
                    attr.nlink = 1;
                    attr.uid = 0;
                    attr.gid = 0;
                    attr.rdev = node.rdev;
                    if (FS.isDir(node.mode)) {
                        attr.size = 4096
                    } else if (FS.isFile(node.mode)) {
                        attr.size = node.usedBytes
                    } else if (FS.isLink(node.mode)) {
                        attr.size = node.link.length
                    } else {
                        attr.size = 0
                    }
                    attr.atime = new Date(node.timestamp);
                    attr.mtime = new Date(node.timestamp);
                    attr.ctime = new Date(node.timestamp);
                    attr.blksize = 4096;
                    attr.blocks = Math.ceil(attr.size / attr.blksize);
                    return attr
                },
                setattr: function(node, attr) {
                    if (attr.mode !== undefined) {
                        node.mode = attr.mode
                    }
                    if (attr.timestamp !== undefined) {
                        node.timestamp = attr.timestamp
                    }
                    if (attr.size !== undefined) {
                        MEMFS.resizeFileStorage(node, attr.size)
                    }
                },
                lookup: function(parent, name) {
                    throw FS.genericErrors[44]
                },
                mknod: function(parent, name, mode, dev) {
                    return MEMFS.createNode(parent, name, mode, dev)
                },
                rename: function(old_node, new_dir, new_name) {
                    if (FS.isDir(old_node.mode)) {
                        var new_node;
                        try {
                            new_node = FS.lookupNode(new_dir, new_name)
                        } catch (e) {}
                        if (new_node) {
                            for (var i in new_node.contents) {
                                throw new FS.ErrnoError(55)
                            }
                        }
                    }
                    delete old_node.parent.contents[old_node.name];
                    old_node.parent.timestamp = Date.now();
                    old_node.name = new_name;
                    new_dir.contents[new_name] = old_node;
                    new_dir.timestamp = old_node.parent.timestamp;
                    old_node.parent = new_dir
                },
                unlink: function(parent, name) {
                    delete parent.contents[name];
                    parent.timestamp = Date.now()
                },
                rmdir: function(parent, name) {
                    var node = FS.lookupNode(parent, name);
                    for (var i in node.contents) {
                        throw new FS.ErrnoError(55)
                    }
                    delete parent.contents[name];
                    parent.timestamp = Date.now()
                },
                readdir: function(node) {
                    var entries = [".", ".."];
                    for (var key in node.contents) {
                        if (!node.contents.hasOwnProperty(key)) {
                            continue
                        }
                        entries.push(key)
                    }
                    return entries
                },
                symlink: function(parent, newname, oldpath) {
                    var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
                    node.link = oldpath;
                    return node
                },
                readlink: function(node) {
                    if (!FS.isLink(node.mode)) {
                        throw new FS.ErrnoError(28)
                    }
                    return node.link
                }
            },
            stream_ops: {
                read: function(stream, buffer, offset, length, position) {
                    var contents = stream.node.contents;
                    if (position >= stream.node.usedBytes)
                        return 0;
                    var size = Math.min(stream.node.usedBytes - position, length);
                    if (size > 8 && contents.subarray) {
                        buffer.set(contents.subarray(position, position + size), offset)
                    } else {
                        for (var i = 0; i < size; i++)
                            buffer[offset + i] = contents[position + i]
                    }
                    return size
                },
                write: function(stream, buffer, offset, length, position, canOwn) {
                    if (buffer.buffer === HEAP8.buffer) {
                        canOwn = false
                    }
                    if (!length)
                        return 0;
                    var node = stream.node;
                    node.timestamp = Date.now();
                    if (buffer.subarray && (!node.contents || node.contents.subarray)) {
                        if (canOwn) {
                            node.contents = buffer.subarray(offset, offset + length);
                            node.usedBytes = length;
                            return length
                        } else if (node.usedBytes === 0 && position === 0) {
                            node.contents = buffer.slice(offset, offset + length);
                            node.usedBytes = length;
                            return length
                        } else if (position + length <= node.usedBytes) {
                            node.contents.set(buffer.subarray(offset, offset + length), position);
                            return length
                        }
                    }
                    MEMFS.expandFileStorage(node, position + length);
                    if (node.contents.subarray && buffer.subarray) {
                        node.contents.set(buffer.subarray(offset, offset + length), position)
                    } else {
                        for (var i = 0; i < length; i++) {
                            node.contents[position + i] = buffer[offset + i]
                        }
                    }
                    node.usedBytes = Math.max(node.usedBytes, position + length);
                    return length
                },
                llseek: function(stream, offset, whence) {
                    var position = offset;
                    if (whence === 1) {
                        position += stream.position
                    } else if (whence === 2) {
                        if (FS.isFile(stream.node.mode)) {
                            position += stream.node.usedBytes
                        }
                    }
                    if (position < 0) {
                        throw new FS.ErrnoError(28)
                    }
                    return position
                },
                allocate: function(stream, offset, length) {
                    MEMFS.expandFileStorage(stream.node, offset + length);
                    stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length)
                },
                mmap: function(stream, length, position, prot, flags) {
                    if (!FS.isFile(stream.node.mode)) {
                        throw new FS.ErrnoError(43)
                    }
                    var ptr;
                    var allocated;
                    var contents = stream.node.contents;
                    if (!(flags & 2) && contents.buffer === buffer) {
                        allocated = false;
                        ptr = contents.byteOffset
                    } else {
                        if (position > 0 || position + length < contents.length) {
                            if (contents.subarray) {
                                contents = contents.subarray(position, position + length)
                            } else {
                                contents = Array.prototype.slice.call(contents, position, position + length)
                            }
                        }
                        allocated = true;
                        ptr = mmapAlloc(length);
                        if (!ptr) {
                            throw new FS.ErrnoError(48)
                        }
                        HEAP8.set(contents, ptr)
                    }
                    return {
                        ptr: ptr,
                        allocated: allocated
                    }
                },
                msync: function(stream, buffer, offset, length, mmapFlags) {
                    MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
                    return 0
                }
            }
        };
        function asyncLoad(url, onload, onerror, noRunDep) {
            var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
            readAsync(url, arrayBuffer => {
                assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
                onload(new Uint8Array(arrayBuffer));
                if (dep)
                    removeRunDependency(dep)
            }
            , event => {
                if (onerror) {
                    onerror()
                } else {
                    throw 'Loading data file "' + url + '" failed.'
                }
            }
            );
            if (dep)
                addRunDependency(dep)
        }
        var FS = {
            root: null,
            mounts: [],
            devices: {},
            streams: [],
            nextInode: 1,
            nameTable: null,
            currentPath: "/",
            initialized: false,
            ignorePermissions: true,
            ErrnoError: null,
            genericErrors: {},
            filesystems: null,
            syncFSRequests: 0,
            lookupPath: (path, opts={}) => {
                path = PATH_FS.resolve(path);
                if (!path)
                    return {
                        path: "",
                        node: null
                    };
                var defaults = {
                    follow_mount: true,
                    recurse_count: 0
                };
                opts = Object.assign(defaults, opts);
                if (opts.recurse_count > 8) {
                    throw new FS.ErrnoError(32)
                }
                var parts = path.split("/").filter(p => !!p);
                var current = FS.root;
                var current_path = "/";
                for (var i = 0; i < parts.length; i++) {
                    var islast = i === parts.length - 1;
                    if (islast && opts.parent) {
                        break
                    }
                    current = FS.lookupNode(current, parts[i]);
                    current_path = PATH.join2(current_path, parts[i]);
                    if (FS.isMountpoint(current)) {
                        if (!islast || islast && opts.follow_mount) {
                            current = current.mounted.root
                        }
                    }
                    if (!islast || opts.follow) {
                        var count = 0;
                        while (FS.isLink(current.mode)) {
                            var link = FS.readlink(current_path);
                            current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
                            var lookup = FS.lookupPath(current_path, {
                                recurse_count: opts.recurse_count + 1
                            });
                            current = lookup.node;
                            if (count++ > 40) {
                                throw new FS.ErrnoError(32)
                            }
                        }
                    }
                }
                return {
                    path: current_path,
                    node: current
                }
            }
            ,
            getPath: node => {
                var path;
                while (true) {
                    if (FS.isRoot(node)) {
                        var mount = node.mount.mountpoint;
                        if (!path)
                            return mount;
                        return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path
                    }
                    path = path ? node.name + "/" + path : node.name;
                    node = node.parent
                }
            }
            ,
            hashName: (parentid, name) => {
                var hash = 0;
                for (var i = 0; i < name.length; i++) {
                    hash = (hash << 5) - hash + name.charCodeAt(i) | 0
                }
                return (parentid + hash >>> 0) % FS.nameTable.length
            }
            ,
            hashAddNode: node => {
                var hash = FS.hashName(node.parent.id, node.name);
                node.name_next = FS.nameTable[hash];
                FS.nameTable[hash] = node
            }
            ,
            hashRemoveNode: node => {
                var hash = FS.hashName(node.parent.id, node.name);
                if (FS.nameTable[hash] === node) {
                    FS.nameTable[hash] = node.name_next
                } else {
                    var current = FS.nameTable[hash];
                    while (current) {
                        if (current.name_next === node) {
                            current.name_next = node.name_next;
                            break
                        }
                        current = current.name_next
                    }
                }
            }
            ,
            lookupNode: (parent, name) => {
                var errCode = FS.mayLookup(parent);
                if (errCode) {
                    throw new FS.ErrnoError(errCode,parent)
                }
                var hash = FS.hashName(parent.id, name);
                for (var node = FS.nameTable[hash]; node; node = node.name_next) {
                    var nodeName = node.name;
                    if (node.parent.id === parent.id && nodeName === name) {
                        return node
                    }
                }
                return FS.lookup(parent, name)
            }
            ,
            createNode: (parent, name, mode, rdev) => {
                var node = new FS.FSNode(parent,name,mode,rdev);
                FS.hashAddNode(node);
                return node
            }
            ,
            destroyNode: node => {
                FS.hashRemoveNode(node)
            }
            ,
            isRoot: node => {
                return node === node.parent
            }
            ,
            isMountpoint: node => {
                return !!node.mounted
            }
            ,
            isFile: mode => {
                return (mode & 61440) === 32768
            }
            ,
            isDir: mode => {
                return (mode & 61440) === 16384
            }
            ,
            isLink: mode => {
                return (mode & 61440) === 40960
            }
            ,
            isChrdev: mode => {
                return (mode & 61440) === 8192
            }
            ,
            isBlkdev: mode => {
                return (mode & 61440) === 24576
            }
            ,
            isFIFO: mode => {
                return (mode & 61440) === 4096
            }
            ,
            isSocket: mode => {
                return (mode & 49152) === 49152
            }
            ,
            flagModes: {
                "r": 0,
                "r+": 2,
                "w": 577,
                "w+": 578,
                "a": 1089,
                "a+": 1090
            },
            modeStringToFlags: str => {
                var flags = FS.flagModes[str];
                if (typeof flags == "undefined") {
                    throw new Error("Unknown file open mode: " + str)
                }
                return flags
            }
            ,
            flagsToPermissionString: flag => {
                var perms = ["r", "w", "rw"][flag & 3];
                if (flag & 512) {
                    perms += "w"
                }
                return perms
            }
            ,
            nodePermissions: (node, perms) => {
                if (FS.ignorePermissions) {
                    return 0
                }
                if (perms.includes("r") && !(node.mode & 292)) {
                    return 2
                } else if (perms.includes("w") && !(node.mode & 146)) {
                    return 2
                } else if (perms.includes("x") && !(node.mode & 73)) {
                    return 2
                }
                return 0
            }
            ,
            mayLookup: dir => {
                var errCode = FS.nodePermissions(dir, "x");
                if (errCode)
                    return errCode;
                if (!dir.node_ops.lookup)
                    return 2;
                return 0
            }
            ,
            mayCreate: (dir, name) => {
                try {
                    var node = FS.lookupNode(dir, name);
                    return 20
                } catch (e) {}
                return FS.nodePermissions(dir, "wx")
            }
            ,
            mayDelete: (dir, name, isdir) => {
                var node;
                try {
                    node = FS.lookupNode(dir, name)
                } catch (e) {
                    return e.errno
                }
                var errCode = FS.nodePermissions(dir, "wx");
                if (errCode) {
                    return errCode
                }
                if (isdir) {
                    if (!FS.isDir(node.mode)) {
                        return 54
                    }
                    if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
                        return 10
                    }
                } else {
                    if (FS.isDir(node.mode)) {
                        return 31
                    }
                }
                return 0
            }
            ,
            mayOpen: (node, flags) => {
                if (!node) {
                    return 44
                }
                if (FS.isLink(node.mode)) {
                    return 32
                } else if (FS.isDir(node.mode)) {
                    if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
                        return 31
                    }
                }
                return FS.nodePermissions(node, FS.flagsToPermissionString(flags))
            }
            ,
            MAX_OPEN_FDS: 4096,
            nextfd: (fd_start=0, fd_end=FS.MAX_OPEN_FDS) => {
                for (var fd = fd_start; fd <= fd_end; fd++) {
                    if (!FS.streams[fd]) {
                        return fd
                    }
                }
                throw new FS.ErrnoError(33)
            }
            ,
            getStream: fd => FS.streams[fd],
            createStream: (stream, fd_start, fd_end) => {
                if (!FS.FSStream) {
                    FS.FSStream = function() {
                        this.shared = {}
                    }
                    ;
                    FS.FSStream.prototype = {};
                    Object.defineProperties(FS.FSStream.prototype, {
                        object: {
                            get: function() {
                                return this.node
                            },
                            set: function(val) {
                                this.node = val
                            }
                        },
                        isRead: {
                            get: function() {
                                return (this.flags & 2097155) !== 1
                            }
                        },
                        isWrite: {
                            get: function() {
                                return (this.flags & 2097155) !== 0
                            }
                        },
                        isAppend: {
                            get: function() {
                                return this.flags & 1024
                            }
                        },
                        flags: {
                            get: function() {
                                return this.shared.flags
                            },
                            set: function(val) {
                                this.shared.flags = val
                            }
                        },
                        position: {
                            get: function() {
                                return this.shared.position
                            },
                            set: function(val) {
                                this.shared.position = val
                            }
                        }
                    })
                }
                stream = Object.assign(new FS.FSStream, stream);
                var fd = FS.nextfd(fd_start, fd_end);
                stream.fd = fd;
                FS.streams[fd] = stream;
                return stream
            }
            ,
            closeStream: fd => {
                FS.streams[fd] = null
            }
            ,
            chrdev_stream_ops: {
                open: stream => {
                    var device = FS.getDevice(stream.node.rdev);
                    stream.stream_ops = device.stream_ops;
                    if (stream.stream_ops.open) {
                        stream.stream_ops.open(stream)
                    }
                }
                ,
                llseek: () => {
                    throw new FS.ErrnoError(70)
                }
            },
            major: dev => dev >> 8,
            minor: dev => dev & 255,
            makedev: (ma, mi) => ma << 8 | mi,
            registerDevice: (dev, ops) => {
                FS.devices[dev] = {
                    stream_ops: ops
                }
            }
            ,
            getDevice: dev => FS.devices[dev],
            getMounts: mount => {
                var mounts = [];
                var check = [mount];
                while (check.length) {
                    var m = check.pop();
                    mounts.push(m);
                    check.push.apply(check, m.mounts)
                }
                return mounts
            }
            ,
            syncfs: (populate, callback) => {
                if (typeof populate == "function") {
                    callback = populate;
                    populate = false
                }
                FS.syncFSRequests++;
                if (FS.syncFSRequests > 1) {
                    err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work")
                }
                var mounts = FS.getMounts(FS.root.mount);
                var completed = 0;
                function doCallback(errCode) {
                    FS.syncFSRequests--;
                    return callback(errCode)
                }
                function done(errCode) {
                    if (errCode) {
                        if (!done.errored) {
                            done.errored = true;
                            return doCallback(errCode)
                        }
                        return
                    }
                    if (++completed >= mounts.length) {
                        doCallback(null)
                    }
                }
                mounts.forEach(mount => {
                    if (!mount.type.syncfs) {
                        return done(null)
                    }
                    mount.type.syncfs(mount, populate, done)
                }
                )
            }
            ,
            mount: (type, opts, mountpoint) => {
                var root = mountpoint === "/";
                var pseudo = !mountpoint;
                var node;
                if (root && FS.root) {
                    throw new FS.ErrnoError(10)
                } else if (!root && !pseudo) {
                    var lookup = FS.lookupPath(mountpoint, {
                        follow_mount: false
                    });
                    mountpoint = lookup.path;
                    node = lookup.node;
                    if (FS.isMountpoint(node)) {
                        throw new FS.ErrnoError(10)
                    }
                    if (!FS.isDir(node.mode)) {
                        throw new FS.ErrnoError(54)
                    }
                }
                var mount = {
                    type: type,
                    opts: opts,
                    mountpoint: mountpoint,
                    mounts: []
                };
                var mountRoot = type.mount(mount);
                mountRoot.mount = mount;
                mount.root = mountRoot;
                if (root) {
                    FS.root = mountRoot
                } else if (node) {
                    node.mounted = mount;
                    if (node.mount) {
                        node.mount.mounts.push(mount)
                    }
                }
                return mountRoot
            }
            ,
            unmount: mountpoint => {
                var lookup = FS.lookupPath(mountpoint, {
                    follow_mount: false
                });
                if (!FS.isMountpoint(lookup.node)) {
                    throw new FS.ErrnoError(28)
                }
                var node = lookup.node;
                var mount = node.mounted;
                var mounts = FS.getMounts(mount);
                Object.keys(FS.nameTable).forEach(hash => {
                    var current = FS.nameTable[hash];
                    while (current) {
                        var next = current.name_next;
                        if (mounts.includes(current.mount)) {
                            FS.destroyNode(current)
                        }
                        current = next
                    }
                }
                );
                node.mounted = null;
                var idx = node.mount.mounts.indexOf(mount);
                node.mount.mounts.splice(idx, 1)
            }
            ,
            lookup: (parent, name) => {
                return parent.node_ops.lookup(parent, name)
            }
            ,
            mknod: (path, mode, dev) => {
                var lookup = FS.lookupPath(path, {
                    parent: true
                });
                var parent = lookup.node;
                var name = PATH.basename(path);
                if (!name || name === "." || name === "..") {
                    throw new FS.ErrnoError(28)
                }
                var errCode = FS.mayCreate(parent, name);
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                if (!parent.node_ops.mknod) {
                    throw new FS.ErrnoError(63)
                }
                return parent.node_ops.mknod(parent, name, mode, dev)
            }
            ,
            create: (path, mode) => {
                mode = mode !== undefined ? mode : 438;
                mode &= 4095;
                mode |= 32768;
                return FS.mknod(path, mode, 0)
            }
            ,
            mkdir: (path, mode) => {
                mode = mode !== undefined ? mode : 511;
                mode &= 511 | 512;
                mode |= 16384;
                return FS.mknod(path, mode, 0)
            }
            ,
            mkdirTree: (path, mode) => {
                var dirs = path.split("/");
                var d = "";
                for (var i = 0; i < dirs.length; ++i) {
                    if (!dirs[i])
                        continue;
                    d += "/" + dirs[i];
                    try {
                        FS.mkdir(d, mode)
                    } catch (e) {
                        if (e.errno != 20)
                            throw e
                    }
                }
            }
            ,
            mkdev: (path, mode, dev) => {
                if (typeof dev == "undefined") {
                    dev = mode;
                    mode = 438
                }
                mode |= 8192;
                return FS.mknod(path, mode, dev)
            }
            ,
            symlink: (oldpath, newpath) => {
                if (!PATH_FS.resolve(oldpath)) {
                    throw new FS.ErrnoError(44)
                }
                var lookup = FS.lookupPath(newpath, {
                    parent: true
                });
                var parent = lookup.node;
                if (!parent) {
                    throw new FS.ErrnoError(44)
                }
                var newname = PATH.basename(newpath);
                var errCode = FS.mayCreate(parent, newname);
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                if (!parent.node_ops.symlink) {
                    throw new FS.ErrnoError(63)
                }
                return parent.node_ops.symlink(parent, newname, oldpath)
            }
            ,
            rename: (old_path, new_path) => {
                var old_dirname = PATH.dirname(old_path);
                var new_dirname = PATH.dirname(new_path);
                var old_name = PATH.basename(old_path);
                var new_name = PATH.basename(new_path);
                var lookup, old_dir, new_dir;
                lookup = FS.lookupPath(old_path, {
                    parent: true
                });
                old_dir = lookup.node;
                lookup = FS.lookupPath(new_path, {
                    parent: true
                });
                new_dir = lookup.node;
                if (!old_dir || !new_dir)
                    throw new FS.ErrnoError(44);
                if (old_dir.mount !== new_dir.mount) {
                    throw new FS.ErrnoError(75)
                }
                var old_node = FS.lookupNode(old_dir, old_name);
                var relative = PATH_FS.relative(old_path, new_dirname);
                if (relative.charAt(0) !== ".") {
                    throw new FS.ErrnoError(28)
                }
                relative = PATH_FS.relative(new_path, old_dirname);
                if (relative.charAt(0) !== ".") {
                    throw new FS.ErrnoError(55)
                }
                var new_node;
                try {
                    new_node = FS.lookupNode(new_dir, new_name)
                } catch (e) {}
                if (old_node === new_node) {
                    return
                }
                var isdir = FS.isDir(old_node.mode);
                var errCode = FS.mayDelete(old_dir, old_name, isdir);
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                if (!old_dir.node_ops.rename) {
                    throw new FS.ErrnoError(63)
                }
                if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
                    throw new FS.ErrnoError(10)
                }
                if (new_dir !== old_dir) {
                    errCode = FS.nodePermissions(old_dir, "w");
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                }
                FS.hashRemoveNode(old_node);
                try {
                    old_dir.node_ops.rename(old_node, new_dir, new_name)
                } catch (e) {
                    throw e
                } finally {
                    FS.hashAddNode(old_node)
                }
            }
            ,
            rmdir: path => {
                var lookup = FS.lookupPath(path, {
                    parent: true
                });
                var parent = lookup.node;
                var name = PATH.basename(path);
                var node = FS.lookupNode(parent, name);
                var errCode = FS.mayDelete(parent, name, true);
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                if (!parent.node_ops.rmdir) {
                    throw new FS.ErrnoError(63)
                }
                if (FS.isMountpoint(node)) {
                    throw new FS.ErrnoError(10)
                }
                parent.node_ops.rmdir(parent, name);
                FS.destroyNode(node)
            }
            ,
            readdir: path => {
                var lookup = FS.lookupPath(path, {
                    follow: true
                });
                var node = lookup.node;
                if (!node.node_ops.readdir) {
                    throw new FS.ErrnoError(54)
                }
                return node.node_ops.readdir(node)
            }
            ,
            unlink: path => {
                var lookup = FS.lookupPath(path, {
                    parent: true
                });
                var parent = lookup.node;
                if (!parent) {
                    throw new FS.ErrnoError(44)
                }
                var name = PATH.basename(path);
                var node = FS.lookupNode(parent, name);
                var errCode = FS.mayDelete(parent, name, false);
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                if (!parent.node_ops.unlink) {
                    throw new FS.ErrnoError(63)
                }
                if (FS.isMountpoint(node)) {
                    throw new FS.ErrnoError(10)
                }
                parent.node_ops.unlink(parent, name);
                FS.destroyNode(node)
            }
            ,
            readlink: path => {
                var lookup = FS.lookupPath(path);
                var link = lookup.node;
                if (!link) {
                    throw new FS.ErrnoError(44)
                }
                if (!link.node_ops.readlink) {
                    throw new FS.ErrnoError(28)
                }
                return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link))
            }
            ,
            stat: (path, dontFollow) => {
                var lookup = FS.lookupPath(path, {
                    follow: !dontFollow
                });
                var node = lookup.node;
                if (!node) {
                    throw new FS.ErrnoError(44)
                }
                if (!node.node_ops.getattr) {
                    throw new FS.ErrnoError(63)
                }
                return node.node_ops.getattr(node)
            }
            ,
            lstat: path => {
                return FS.stat(path, true)
            }
            ,
            chmod: (path, mode, dontFollow) => {
                var node;
                if (typeof path == "string") {
                    var lookup = FS.lookupPath(path, {
                        follow: !dontFollow
                    });
                    node = lookup.node
                } else {
                    node = path
                }
                if (!node.node_ops.setattr) {
                    throw new FS.ErrnoError(63)
                }
                node.node_ops.setattr(node, {
                    mode: mode & 4095 | node.mode & ~4095,
                    timestamp: Date.now()
                })
            }
            ,
            lchmod: (path, mode) => {
                FS.chmod(path, mode, true)
            }
            ,
            fchmod: (fd, mode) => {
                var stream = FS.getStream(fd);
                if (!stream) {
                    throw new FS.ErrnoError(8)
                }
                FS.chmod(stream.node, mode)
            }
            ,
            chown: (path, uid, gid, dontFollow) => {
                var node;
                if (typeof path == "string") {
                    var lookup = FS.lookupPath(path, {
                        follow: !dontFollow
                    });
                    node = lookup.node
                } else {
                    node = path
                }
                if (!node.node_ops.setattr) {
                    throw new FS.ErrnoError(63)
                }
                node.node_ops.setattr(node, {
                    timestamp: Date.now()
                })
            }
            ,
            lchown: (path, uid, gid) => {
                FS.chown(path, uid, gid, true)
            }
            ,
            fchown: (fd, uid, gid) => {
                var stream = FS.getStream(fd);
                if (!stream) {
                    throw new FS.ErrnoError(8)
                }
                FS.chown(stream.node, uid, gid)
            }
            ,
            truncate: (path, len) => {
                if (len < 0) {
                    throw new FS.ErrnoError(28)
                }
                var node;
                if (typeof path == "string") {
                    var lookup = FS.lookupPath(path, {
                        follow: true
                    });
                    node = lookup.node
                } else {
                    node = path
                }
                if (!node.node_ops.setattr) {
                    throw new FS.ErrnoError(63)
                }
                if (FS.isDir(node.mode)) {
                    throw new FS.ErrnoError(31)
                }
                if (!FS.isFile(node.mode)) {
                    throw new FS.ErrnoError(28)
                }
                var errCode = FS.nodePermissions(node, "w");
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                node.node_ops.setattr(node, {
                    size: len,
                    timestamp: Date.now()
                })
            }
            ,
            ftruncate: (fd, len) => {
                var stream = FS.getStream(fd);
                if (!stream) {
                    throw new FS.ErrnoError(8)
                }
                if ((stream.flags & 2097155) === 0) {
                    throw new FS.ErrnoError(28)
                }
                FS.truncate(stream.node, len)
            }
            ,
            utime: (path, atime, mtime) => {
                var lookup = FS.lookupPath(path, {
                    follow: true
                });
                var node = lookup.node;
                node.node_ops.setattr(node, {
                    timestamp: Math.max(atime, mtime)
                })
            }
            ,
            open: (path, flags, mode) => {
                if (path === "") {
                    throw new FS.ErrnoError(44)
                }
                flags = typeof flags == "string" ? FS.modeStringToFlags(flags) : flags;
                mode = typeof mode == "undefined" ? 438 : mode;
                if (flags & 64) {
                    mode = mode & 4095 | 32768
                } else {
                    mode = 0
                }
                var node;
                if (typeof path == "object") {
                    node = path
                } else {
                    path = PATH.normalize(path);
                    try {
                        var lookup = FS.lookupPath(path, {
                            follow: !(flags & 131072)
                        });
                        node = lookup.node
                    } catch (e) {}
                }
                var created = false;
                if (flags & 64) {
                    if (node) {
                        if (flags & 128) {
                            throw new FS.ErrnoError(20)
                        }
                    } else {
                        node = FS.mknod(path, mode, 0);
                        created = true
                    }
                }
                if (!node) {
                    throw new FS.ErrnoError(44)
                }
                if (FS.isChrdev(node.mode)) {
                    flags &= ~512
                }
                if (flags & 65536 && !FS.isDir(node.mode)) {
                    throw new FS.ErrnoError(54)
                }
                if (!created) {
                    var errCode = FS.mayOpen(node, flags);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                }
                if (flags & 512 && !created) {
                    FS.truncate(node, 0)
                }
                flags &= ~(128 | 512 | 131072);
                var stream = FS.createStream({
                    node: node,
                    path: FS.getPath(node),
                    flags: flags,
                    seekable: true,
                    position: 0,
                    stream_ops: node.stream_ops,
                    ungotten: [],
                    error: false
                });
                if (stream.stream_ops.open) {
                    stream.stream_ops.open(stream)
                }
                if (Module["logReadFiles"] && !(flags & 1)) {
                    if (!FS.readFiles)
                        FS.readFiles = {};
                    if (!(path in FS.readFiles)) {
                        FS.readFiles[path] = 1
                    }
                }
                return stream
            }
            ,
            close: stream => {
                if (FS.isClosed(stream)) {
                    throw new FS.ErrnoError(8)
                }
                if (stream.getdents)
                    stream.getdents = null;
                try {
                    if (stream.stream_ops.close) {
                        stream.stream_ops.close(stream)
                    }
                } catch (e) {
                    throw e
                } finally {
                    FS.closeStream(stream.fd)
                }
                stream.fd = null
            }
            ,
            isClosed: stream => {
                return stream.fd === null
            }
            ,
            llseek: (stream, offset, whence) => {
                if (FS.isClosed(stream)) {
                    throw new FS.ErrnoError(8)
                }
                if (!stream.seekable || !stream.stream_ops.llseek) {
                    throw new FS.ErrnoError(70)
                }
                if (whence != 0 && whence != 1 && whence != 2) {
                    throw new FS.ErrnoError(28)
                }
                stream.position = stream.stream_ops.llseek(stream, offset, whence);
                stream.ungotten = [];
                return stream.position
            }
            ,
            read: (stream, buffer, offset, length, position) => {
                if (length < 0 || position < 0) {
                    throw new FS.ErrnoError(28)
                }
                if (FS.isClosed(stream)) {
                    throw new FS.ErrnoError(8)
                }
                if ((stream.flags & 2097155) === 1) {
                    throw new FS.ErrnoError(8)
                }
                if (FS.isDir(stream.node.mode)) {
                    throw new FS.ErrnoError(31)
                }
                if (!stream.stream_ops.read) {
                    throw new FS.ErrnoError(28)
                }
                var seeking = typeof position != "undefined";
                if (!seeking) {
                    position = stream.position
                } else if (!stream.seekable) {
                    throw new FS.ErrnoError(70)
                }
                var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
                if (!seeking)
                    stream.position += bytesRead;
                return bytesRead
            }
            ,
            write: (stream, buffer, offset, length, position, canOwn) => {
                if (length < 0 || position < 0) {
                    throw new FS.ErrnoError(28)
                }
                if (FS.isClosed(stream)) {
                    throw new FS.ErrnoError(8)
                }
                if ((stream.flags & 2097155) === 0) {
                    throw new FS.ErrnoError(8)
                }
                if (FS.isDir(stream.node.mode)) {
                    throw new FS.ErrnoError(31)
                }
                if (!stream.stream_ops.write) {
                    throw new FS.ErrnoError(28)
                }
                if (stream.seekable && stream.flags & 1024) {
                    FS.llseek(stream, 0, 2)
                }
                var seeking = typeof position != "undefined";
                if (!seeking) {
                    position = stream.position
                } else if (!stream.seekable) {
                    throw new FS.ErrnoError(70)
                }
                var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
                if (!seeking)
                    stream.position += bytesWritten;
                return bytesWritten
            }
            ,
            allocate: (stream, offset, length) => {
                if (FS.isClosed(stream)) {
                    throw new FS.ErrnoError(8)
                }
                if (offset < 0 || length <= 0) {
                    throw new FS.ErrnoError(28)
                }
                if ((stream.flags & 2097155) === 0) {
                    throw new FS.ErrnoError(8)
                }
                if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
                    throw new FS.ErrnoError(43)
                }
                if (!stream.stream_ops.allocate) {
                    throw new FS.ErrnoError(138)
                }
                stream.stream_ops.allocate(stream, offset, length)
            }
            ,
            mmap: (stream, length, position, prot, flags) => {
                if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
                    throw new FS.ErrnoError(2)
                }
                if ((stream.flags & 2097155) === 1) {
                    throw new FS.ErrnoError(2)
                }
                if (!stream.stream_ops.mmap) {
                    throw new FS.ErrnoError(43)
                }
                return stream.stream_ops.mmap(stream, length, position, prot, flags)
            }
            ,
            msync: (stream, buffer, offset, length, mmapFlags) => {
                if (!stream.stream_ops.msync) {
                    return 0
                }
                return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags)
            }
            ,
            munmap: stream => 0,
            ioctl: (stream, cmd, arg) => {
                if (!stream.stream_ops.ioctl) {
                    throw new FS.ErrnoError(59)
                }
                return stream.stream_ops.ioctl(stream, cmd, arg)
            }
            ,
            readFile: (path, opts={}) => {
                opts.flags = opts.flags || 0;
                opts.encoding = opts.encoding || "binary";
                if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
                    throw new Error('Invalid encoding type "' + opts.encoding + '"')
                }
                var ret;
                var stream = FS.open(path, opts.flags);
                var stat = FS.stat(path);
                var length = stat.size;
                var buf = new Uint8Array(length);
                FS.read(stream, buf, 0, length, 0);
                if (opts.encoding === "utf8") {
                    ret = UTF8ArrayToString(buf, 0)
                } else if (opts.encoding === "binary") {
                    ret = buf
                }
                FS.close(stream);
                return ret
            }
            ,
            writeFile: (path, data, opts={}) => {
                opts.flags = opts.flags || 577;
                var stream = FS.open(path, opts.flags, opts.mode);
                if (typeof data == "string") {
                    var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
                    var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
                    FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn)
                } else if (ArrayBuffer.isView(data)) {
                    FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn)
                } else {
                    throw new Error("Unsupported data type")
                }
                FS.close(stream)
            }
            ,
            cwd: () => FS.currentPath,
            chdir: path => {
                var lookup = FS.lookupPath(path, {
                    follow: true
                });
                if (lookup.node === null) {
                    throw new FS.ErrnoError(44)
                }
                if (!FS.isDir(lookup.node.mode)) {
                    throw new FS.ErrnoError(54)
                }
                var errCode = FS.nodePermissions(lookup.node, "x");
                if (errCode) {
                    throw new FS.ErrnoError(errCode)
                }
                FS.currentPath = lookup.path
            }
            ,
            createDefaultDirectories: () => {
                FS.mkdir("/tmp");
                FS.mkdir("/home");
                FS.mkdir("/home/web_user")
            }
            ,
            createDefaultDevices: () => {
                FS.mkdir("/dev");
                FS.registerDevice(FS.makedev(1, 3), {
                    read: () => 0,
                    write: (stream, buffer, offset, length, pos) => length
                });
                FS.mkdev("/dev/null", FS.makedev(1, 3));
                TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
                TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
                FS.mkdev("/dev/tty", FS.makedev(5, 0));
                FS.mkdev("/dev/tty1", FS.makedev(6, 0));
                var random_device = getRandomDevice();
                FS.createDevice("/dev", "random", random_device);
                FS.createDevice("/dev", "urandom", random_device);
                FS.mkdir("/dev/shm");
                FS.mkdir("/dev/shm/tmp")
            }
            ,
            createSpecialDirectories: () => {
                FS.mkdir("/proc");
                var proc_self = FS.mkdir("/proc/self");
                FS.mkdir("/proc/self/fd");
                FS.mount({
                    mount: () => {
                        var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
                        node.node_ops = {
                            lookup: (parent, name) => {
                                var fd = +name;
                                var stream = FS.getStream(fd);
                                if (!stream)
                                    throw new FS.ErrnoError(8);
                                var ret = {
                                    parent: null,
                                    mount: {
                                        mountpoint: "fake"
                                    },
                                    node_ops: {
                                        readlink: () => stream.path
                                    }
                                };
                                ret.parent = ret;
                                return ret
                            }
                        };
                        return node
                    }
                }, {}, "/proc/self/fd")
            }
            ,
            createStandardStreams: () => {
                if (Module["stdin"]) {
                    FS.createDevice("/dev", "stdin", Module["stdin"])
                } else {
                    FS.symlink("/dev/tty", "/dev/stdin")
                }
                if (Module["stdout"]) {
                    FS.createDevice("/dev", "stdout", null, Module["stdout"])
                } else {
                    FS.symlink("/dev/tty", "/dev/stdout")
                }
                if (Module["stderr"]) {
                    FS.createDevice("/dev", "stderr", null, Module["stderr"])
                } else {
                    FS.symlink("/dev/tty1", "/dev/stderr")
                }
                var stdin = FS.open("/dev/stdin", 0);
                var stdout = FS.open("/dev/stdout", 1);
                var stderr = FS.open("/dev/stderr", 1)
            }
            ,
            ensureErrnoError: () => {
                if (FS.ErrnoError)
                    return;
                FS.ErrnoError = function ErrnoError(errno, node) {
                    this.node = node;
                    this.setErrno = function(errno) {
                        this.errno = errno
                    }
                    ;
                    this.setErrno(errno);
                    this.message = "FS error"
                }
                ;
                FS.ErrnoError.prototype = new Error;
                FS.ErrnoError.prototype.constructor = FS.ErrnoError;
                [44].forEach(code => {
                    FS.genericErrors[code] = new FS.ErrnoError(code);
                    FS.genericErrors[code].stack = "<generic error, no stack>"
                }
                )
            }
            ,
            staticInit: () => {
                FS.ensureErrnoError();
                FS.nameTable = new Array(4096);
                FS.mount(MEMFS, {}, "/");
                FS.createDefaultDirectories();
                FS.createDefaultDevices();
                FS.createSpecialDirectories();
                FS.filesystems = {
                    "MEMFS": MEMFS
                }
            }
            ,
            init: (input, output, error) => {
                FS.init.initialized = true;
                FS.ensureErrnoError();
                Module["stdin"] = input || Module["stdin"];
                Module["stdout"] = output || Module["stdout"];
                Module["stderr"] = error || Module["stderr"];
                FS.createStandardStreams()
            }
            ,
            quit: () => {
                FS.init.initialized = false;
                for (var i = 0; i < FS.streams.length; i++) {
                    var stream = FS.streams[i];
                    if (!stream) {
                        continue
                    }
                    FS.close(stream)
                }
            }
            ,
            getMode: (canRead, canWrite) => {
                var mode = 0;
                if (canRead)
                    mode |= 292 | 73;
                if (canWrite)
                    mode |= 146;
                return mode
            }
            ,
            findObject: (path, dontResolveLastLink) => {
                var ret = FS.analyzePath(path, dontResolveLastLink);
                if (!ret.exists) {
                    return null
                }
                return ret.object
            }
            ,
            analyzePath: (path, dontResolveLastLink) => {
                try {
                    var lookup = FS.lookupPath(path, {
                        follow: !dontResolveLastLink
                    });
                    path = lookup.path
                } catch (e) {}
                var ret = {
                    isRoot: false,
                    exists: false,
                    error: 0,
                    name: null,
                    path: null,
                    object: null,
                    parentExists: false,
                    parentPath: null,
                    parentObject: null
                };
                try {
                    var lookup = FS.lookupPath(path, {
                        parent: true
                    });
                    ret.parentExists = true;
                    ret.parentPath = lookup.path;
                    ret.parentObject = lookup.node;
                    ret.name = PATH.basename(path);
                    lookup = FS.lookupPath(path, {
                        follow: !dontResolveLastLink
                    });
                    ret.exists = true;
                    ret.path = lookup.path;
                    ret.object = lookup.node;
                    ret.name = lookup.node.name;
                    ret.isRoot = lookup.path === "/"
                } catch (e) {
                    ret.error = e.errno
                }
                return ret
            }
            ,
            createPath: (parent, path, canRead, canWrite) => {
                parent = typeof parent == "string" ? parent : FS.getPath(parent);
                var parts = path.split("/").reverse();
                while (parts.length) {
                    var part = parts.pop();
                    if (!part)
                        continue;
                    var current = PATH.join2(parent, part);
                    try {
                        FS.mkdir(current)
                    } catch (e) {}
                    parent = current
                }
                return current
            }
            ,
            createFile: (parent, name, properties, canRead, canWrite) => {
                var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
                var mode = FS.getMode(canRead, canWrite);
                return FS.create(path, mode)
            }
            ,
            createDataFile: (parent, name, data, canRead, canWrite, canOwn) => {
                var path = name;
                if (parent) {
                    parent = typeof parent == "string" ? parent : FS.getPath(parent);
                    path = name ? PATH.join2(parent, name) : parent
                }
                var mode = FS.getMode(canRead, canWrite);
                var node = FS.create(path, mode);
                if (data) {
                    if (typeof data == "string") {
                        var arr = new Array(data.length);
                        for (var i = 0, len = data.length; i < len; ++i)
                            arr[i] = data.charCodeAt(i);
                        data = arr
                    }
                    FS.chmod(node, mode | 146);
                    var stream = FS.open(node, 577);
                    FS.write(stream, data, 0, data.length, 0, canOwn);
                    FS.close(stream);
                    FS.chmod(node, mode)
                }
                return node
            }
            ,
            createDevice: (parent, name, input, output) => {
                var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
                var mode = FS.getMode(!!input, !!output);
                if (!FS.createDevice.major)
                    FS.createDevice.major = 64;
                var dev = FS.makedev(FS.createDevice.major++, 0);
                FS.registerDevice(dev, {
                    open: stream => {
                        stream.seekable = false
                    }
                    ,
                    close: stream => {
                        if (output && output.buffer && output.buffer.length) {
                            output(10)
                        }
                    }
                    ,
                    read: (stream, buffer, offset, length, pos) => {
                        var bytesRead = 0;
                        for (var i = 0; i < length; i++) {
                            var result;
                            try {
                                result = input()
                            } catch (e) {
                                throw new FS.ErrnoError(29)
                            }
                            if (result === undefined && bytesRead === 0) {
                                throw new FS.ErrnoError(6)
                            }
                            if (result === null || result === undefined)
                                break;
                            bytesRead++;
                            buffer[offset + i] = result
                        }
                        if (bytesRead) {
                            stream.node.timestamp = Date.now()
                        }
                        return bytesRead
                    }
                    ,
                    write: (stream, buffer, offset, length, pos) => {
                        for (var i = 0; i < length; i++) {
                            try {
                                output(buffer[offset + i])
                            } catch (e) {
                                throw new FS.ErrnoError(29)
                            }
                        }
                        if (length) {
                            stream.node.timestamp = Date.now()
                        }
                        return i
                    }
                });
                return FS.mkdev(path, mode, dev)
            }
            ,
            forceLoadFile: obj => {
                if (obj.isDevice || obj.isFolder || obj.link || obj.contents)
                    return true;
                if (typeof XMLHttpRequest != "undefined") {
                    throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")
                } else if (read_) {
                    try {
                        obj.contents = intArrayFromString(read_(obj.url), true);
                        obj.usedBytes = obj.contents.length
                    } catch (e) {
                        throw new FS.ErrnoError(29)
                    }
                } else {
                    throw new Error("Cannot load without read() or XMLHttpRequest.")
                }
            }
            ,
            createLazyFile: (parent, name, url, canRead, canWrite) => {
                function LazyUint8Array() {
                    this.lengthKnown = false;
                    this.chunks = []
                }
                LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
                    if (idx > this.length - 1 || idx < 0) {
                        return undefined
                    }
                    var chunkOffset = idx % this.chunkSize;
                    var chunkNum = idx / this.chunkSize | 0;
                    return this.getter(chunkNum)[chunkOffset]
                }
                ;
                LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
                    this.getter = getter
                }
                ;
                LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
                    var xhr = new XMLHttpRequest;
                    xhr.open("HEAD", url, false);
                    xhr.send(null);
                    if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304))
                        throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
                    var datalength = Number(xhr.getResponseHeader("Content-length"));
                    var header;
                    var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
                    var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
                    var chunkSize = 1024 * 1024;
                    if (!hasByteServing)
                        chunkSize = datalength;
                    var doXHR = (from, to) => {
                        if (from > to)
                            throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
                        if (to > datalength - 1)
                            throw new Error("only " + datalength + " bytes available! programmer error!");
                        var xhr = new XMLHttpRequest;
                        xhr.open("GET", url, false);
                        if (datalength !== chunkSize)
                            xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
                        xhr.responseType = "arraybuffer";
                        if (xhr.overrideMimeType) {
                            xhr.overrideMimeType("text/plain; charset=x-user-defined")
                        }
                        xhr.send(null);
                        if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304))
                            throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
                        if (xhr.response !== undefined) {
                            return new Uint8Array(xhr.response || [])
                        }
                        return intArrayFromString(xhr.responseText || "", true)
                    }
                    ;
                    var lazyArray = this;
                    lazyArray.setDataGetter(chunkNum => {
                        var start = chunkNum * chunkSize;
                        var end = (chunkNum + 1) * chunkSize - 1;
                        end = Math.min(end, datalength - 1);
                        if (typeof lazyArray.chunks[chunkNum] == "undefined") {
                            lazyArray.chunks[chunkNum] = doXHR(start, end)
                        }
                        if (typeof lazyArray.chunks[chunkNum] == "undefined")
                            throw new Error("doXHR failed!");
                        return lazyArray.chunks[chunkNum]
                    }
                    );
                    if (usesGzip || !datalength) {
                        chunkSize = datalength = 1;
                        datalength = this.getter(0).length;
                        chunkSize = datalength;
                        out("LazyFiles on gzip forces download of the whole file when length is accessed")
                    }
                    this._length = datalength;
                    this._chunkSize = chunkSize;
                    this.lengthKnown = true
                }
                ;
                if (typeof XMLHttpRequest != "undefined") {
                    if (!ENVIRONMENT_IS_WORKER)
                        throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
                    var lazyArray = new LazyUint8Array;
                    Object.defineProperties(lazyArray, {
                        length: {
                            get: function() {
                                if (!this.lengthKnown) {
                                    this.cacheLength()
                                }
                                return this._length
                            }
                        },
                        chunkSize: {
                            get: function() {
                                if (!this.lengthKnown) {
                                    this.cacheLength()
                                }
                                return this._chunkSize
                            }
                        }
                    });
                    var properties = {
                        isDevice: false,
                        contents: lazyArray
                    }
                } else {
                    var properties = {
                        isDevice: false,
                        url: url
                    }
                }
                var node = FS.createFile(parent, name, properties, canRead, canWrite);
                if (properties.contents) {
                    node.contents = properties.contents
                } else if (properties.url) {
                    node.contents = null;
                    node.url = properties.url
                }
                Object.defineProperties(node, {
                    usedBytes: {
                        get: function() {
                            return this.contents.length
                        }
                    }
                });
                var stream_ops = {};
                var keys = Object.keys(node.stream_ops);
                keys.forEach(key => {
                    var fn = node.stream_ops[key];
                    stream_ops[key] = function forceLoadLazyFile() {
                        FS.forceLoadFile(node);
                        return fn.apply(null, arguments)
                    }
                }
                );
                function writeChunks(stream, buffer, offset, length, position) {
                    var contents = stream.node.contents;
                    if (position >= contents.length)
                        return 0;
                    var size = Math.min(contents.length - position, length);
                    if (contents.slice) {
                        for (var i = 0; i < size; i++) {
                            buffer[offset + i] = contents[position + i]
                        }
                    } else {
                        for (var i = 0; i < size; i++) {
                            buffer[offset + i] = contents.get(position + i)
                        }
                    }
                    return size
                }
                stream_ops.read = (stream, buffer, offset, length, position) => {
                    FS.forceLoadFile(node);
                    return writeChunks(stream, buffer, offset, length, position)
                }
                ;
                stream_ops.mmap = (stream, length, position, prot, flags) => {
                    FS.forceLoadFile(node);
                    var ptr = mmapAlloc(length);
                    if (!ptr) {
                        throw new FS.ErrnoError(48)
                    }
                    writeChunks(stream, HEAP8, ptr, length, position);
                    return {
                        ptr: ptr,
                        allocated: true
                    }
                }
                ;
                node.stream_ops = stream_ops;
                return node
            }
            ,
            createPreloadedFile: (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
                var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
                var dep = getUniqueRunDependency("cp " + fullname);
                function processData(byteArray) {
                    function finish(byteArray) {
                        if (preFinish)
                            preFinish();
                        if (!dontCreateFile) {
                            FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn)
                        }
                        if (onload)
                            onload();
                        removeRunDependency(dep)
                    }
                    if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => {
                        if (onerror)
                            onerror();
                        removeRunDependency(dep)
                    }
                    )) {
                        return
                    }
                    finish(byteArray)
                }
                addRunDependency(dep);
                if (typeof url == "string") {
                    asyncLoad(url, byteArray => processData(byteArray), onerror)
                } else {
                    processData(url)
                }
            }
            ,
            indexedDB: () => {
                return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB
            }
            ,
            DB_NAME: () => {
                return "EM_FS_" + window.location.pathname
            }
            ,
            DB_VERSION: 20,
            DB_STORE_NAME: "FILE_DATA",
            saveFilesToDB: (paths, onload, onerror) => {
                onload = onload || ( () => {}
                );
                onerror = onerror || ( () => {}
                );
                var indexedDB = FS.indexedDB();
                try {
                    var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION)
                } catch (e) {
                    return onerror(e)
                }
                openRequest.onupgradeneeded = () => {
                    out("creating db");
                    var db = openRequest.result;
                    db.createObjectStore(FS.DB_STORE_NAME)
                }
                ;
                openRequest.onsuccess = () => {
                    var db = openRequest.result;
                    var transaction = db.transaction([FS.DB_STORE_NAME], "readwrite");
                    var files = transaction.objectStore(FS.DB_STORE_NAME);
                    var ok = 0
                      , fail = 0
                      , total = paths.length;
                    function finish() {
                        if (fail == 0)
                            onload();
                        else
                            onerror()
                    }
                    paths.forEach(path => {
                        var putRequest = files.put(FS.analyzePath(path).object.contents, path);
                        putRequest.onsuccess = () => {
                            ok++;
                            if (ok + fail == total)
                                finish()
                        }
                        ;
                        putRequest.onerror = () => {
                            fail++;
                            if (ok + fail == total)
                                finish()
                        }
                    }
                    );
                    transaction.onerror = onerror
                }
                ;
                openRequest.onerror = onerror
            }
            ,
            loadFilesFromDB: (paths, onload, onerror) => {
                onload = onload || ( () => {}
                );
                onerror = onerror || ( () => {}
                );
                var indexedDB = FS.indexedDB();
                try {
                    var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION)
                } catch (e) {
                    return onerror(e)
                }
                openRequest.onupgradeneeded = onerror;
                openRequest.onsuccess = () => {
                    var db = openRequest.result;
                    try {
                        var transaction = db.transaction([FS.DB_STORE_NAME], "readonly")
                    } catch (e) {
                        onerror(e);
                        return
                    }
                    var files = transaction.objectStore(FS.DB_STORE_NAME);
                    var ok = 0
                      , fail = 0
                      , total = paths.length;
                    function finish() {
                        if (fail == 0)
                            onload();
                        else
                            onerror()
                    }
                    paths.forEach(path => {
                        var getRequest = files.get(path);
                        getRequest.onsuccess = () => {
                            if (FS.analyzePath(path).exists) {
                                FS.unlink(path)
                            }
                            FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
                            ok++;
                            if (ok + fail == total)
                                finish()
                        }
                        ;
                        getRequest.onerror = () => {
                            fail++;
                            if (ok + fail == total)
                                finish()
                        }
                    }
                    );
                    transaction.onerror = onerror
                }
                ;
                openRequest.onerror = onerror
            }
        };
        var SYSCALLS = {
            DEFAULT_POLLMASK: 5,
            calculateAt: function(dirfd, path, allowEmpty) {
                if (PATH.isAbs(path)) {
                    return path
                }
                var dir;
                if (dirfd === -100) {
                    dir = FS.cwd()
                } else {
                    var dirstream = SYSCALLS.getStreamFromFD(dirfd);
                    dir = dirstream.path
                }
                if (path.length == 0) {
                    if (!allowEmpty) {
                        throw new FS.ErrnoError(44)
                    }
                    return dir
                }
                return PATH.join2(dir, path)
            },
            doStat: function(func, path, buf) {
                try {
                    var stat = func(path)
                } catch (e) {
                    if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
                        return -54
                    }
                    throw e
                }
                HEAP32[buf >> 2] = stat.dev;
                HEAP32[buf + 8 >> 2] = stat.ino;
                HEAP32[buf + 12 >> 2] = stat.mode;
                HEAPU32[buf + 16 >> 2] = stat.nlink;
                HEAP32[buf + 20 >> 2] = stat.uid;
                HEAP32[buf + 24 >> 2] = stat.gid;
                HEAP32[buf + 28 >> 2] = stat.rdev;
                tempI64 = [stat.size >>> 0, (tempDouble = stat.size,
                +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)],
                HEAP32[buf + 40 >> 2] = tempI64[0],
                HEAP32[buf + 44 >> 2] = tempI64[1];
                HEAP32[buf + 48 >> 2] = 4096;
                HEAP32[buf + 52 >> 2] = stat.blocks;
                var atime = stat.atime.getTime();
                var mtime = stat.mtime.getTime();
                var ctime = stat.ctime.getTime();
                tempI64 = [Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3),
                +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)],
                HEAP32[buf + 56 >> 2] = tempI64[0],
                HEAP32[buf + 60 >> 2] = tempI64[1];
                HEAPU32[buf + 64 >> 2] = atime % 1e3 * 1e3;
                tempI64 = [Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3),
                +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)],
                HEAP32[buf + 72 >> 2] = tempI64[0],
                HEAP32[buf + 76 >> 2] = tempI64[1];
                HEAPU32[buf + 80 >> 2] = mtime % 1e3 * 1e3;
                tempI64 = [Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3),
                +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)],
                HEAP32[buf + 88 >> 2] = tempI64[0],
                HEAP32[buf + 92 >> 2] = tempI64[1];
                HEAPU32[buf + 96 >> 2] = ctime % 1e3 * 1e3;
                tempI64 = [stat.ino >>> 0, (tempDouble = stat.ino,
                +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)],
                HEAP32[buf + 104 >> 2] = tempI64[0],
                HEAP32[buf + 108 >> 2] = tempI64[1];
                return 0
            },
            doMsync: function(addr, stream, len, flags, offset) {
                if (!FS.isFile(stream.node.mode)) {
                    throw new FS.ErrnoError(43)
                }
                if (flags & 2) {
                    return 0
                }
                var buffer = HEAPU8.slice(addr, addr + len);
                FS.msync(stream, buffer, offset, len, flags)
            },
            varargs: undefined,
            get: function() {
                SYSCALLS.varargs += 4;
                var ret = HEAP32[SYSCALLS.varargs - 4 >> 2];
                return ret
            },
            getStr: function(ptr) {
                var ret = UTF8ToString(ptr);
                return ret
            },
            getStreamFromFD: function(fd) {
                var stream = FS.getStream(fd);
                if (!stream)
                    throw new FS.ErrnoError(8);
                return stream
            }
        };
        function _environ_get(__environ, environ_buf) {
            var bufSize = 0;
            getEnvStrings().forEach(function(string, i) {
                var ptr = environ_buf + bufSize;
                HEAPU32[__environ + i * 4 >> 2] = ptr;
                writeAsciiToMemory(string, ptr);
                bufSize += string.length + 1
            });
            return 0
        }
        function _environ_sizes_get(penviron_count, penviron_buf_size) {
            var strings = getEnvStrings();
            HEAPU32[penviron_count >> 2] = strings.length;
            var bufSize = 0;
            strings.forEach(function(string) {
                bufSize += string.length + 1
            });
            HEAPU32[penviron_buf_size >> 2] = bufSize;
            return 0
        }
        function _proc_exit(code) {
            EXITSTATUS = code;
            if (!keepRuntimeAlive()) {
                if (Module["onExit"])
                    Module["onExit"](code);
                ABORT = true
            }
            quit_(code, new ExitStatus(code))
        }
        function exitJS(status, implicit) {
            EXITSTATUS = status;
            _proc_exit(status)
        }
        var _exit = exitJS;
        function _fd_close(fd) {
            try {
                var stream = SYSCALLS.getStreamFromFD(fd);
                FS.close(stream);
                return 0
            } catch (e) {
                if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError))
                    throw e;
                return e.errno
            }
        }
        function doReadv(stream, iov, iovcnt, offset) {
            var ret = 0;
            for (var i = 0; i < iovcnt; i++) {
                var ptr = HEAPU32[iov >> 2];
                var len = HEAPU32[iov + 4 >> 2];
                iov += 8;
                var curr = FS.read(stream, HEAP8, ptr, len, offset);
                if (curr < 0)
                    return -1;
                ret += curr;
                if (curr < len)
                    break
            }
            return ret
        }
        function _fd_read(fd, iov, iovcnt, pnum) {
            try {
                var stream = SYSCALLS.getStreamFromFD(fd);
                var num = doReadv(stream, iov, iovcnt);
                HEAPU32[pnum >> 2] = num;
                return 0
            } catch (e) {
                if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError))
                    throw e;
                return e.errno
            }
        }
        var MAX_INT53 = 9007199254740992;
        var MIN_INT53 = -9007199254740992;
        function bigintToI53Checked(num) {
            return num < MIN_INT53 || num > MAX_INT53 ? NaN : Number(num)
        }
        function _fd_seek(fd, offset, whence, newOffset) {
            try {
                offset = bigintToI53Checked(offset);
                if (isNaN(offset))
                    return 61;
                var stream = SYSCALLS.getStreamFromFD(fd);
                FS.llseek(stream, offset, whence);
                tempI64 = [stream.position >>> 0, (tempDouble = stream.position,
                +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)],
                HEAP32[newOffset >> 2] = tempI64[0],
                HEAP32[newOffset + 4 >> 2] = tempI64[1];
                if (stream.getdents && offset === 0 && whence === 0)
                    stream.getdents = null;
                return 0
            } catch (e) {
                if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError))
                    throw e;
                return e.errno
            }
        }
        function doWritev(stream, iov, iovcnt, offset) {
            var ret = 0;
            for (var i = 0; i < iovcnt; i++) {
                var ptr = HEAPU32[iov >> 2];
                var len = HEAPU32[iov + 4 >> 2];
                iov += 8;
                var curr = FS.write(stream, HEAP8, ptr, len, offset);
                if (curr < 0)
                    return -1;
                ret += curr
            }
            return ret
        }
        function _fd_write(fd, iov, iovcnt, pnum) {
            try {
                var stream = SYSCALLS.getStreamFromFD(fd);
                var num = doWritev(stream, iov, iovcnt);
                HEAPU32[pnum >> 2] = num;
                return 0
            } catch (e) {
                if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError))
                    throw e;
                return e.errno
            }
        }
        function __isLeapYear(year) {
            return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0)
        }
        function __arraySum(array, index) {
            var sum = 0;
            for (var i = 0; i <= index; sum += array[i++]) {}
            return sum
        }
        var __MONTH_DAYS_LEAP = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
        var __MONTH_DAYS_REGULAR = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
        function __addDays(date, days) {
            var newDate = new Date(date.getTime());
            while (days > 0) {
                var leap = __isLeapYear(newDate.getFullYear());
                var currentMonth = newDate.getMonth();
                var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth];
                if (days > daysInCurrentMonth - newDate.getDate()) {
                    days -= daysInCurrentMonth - newDate.getDate() + 1;
                    newDate.setDate(1);
                    if (currentMonth < 11) {
                        newDate.setMonth(currentMonth + 1)
                    } else {
                        newDate.setMonth(0);
                        newDate.setFullYear(newDate.getFullYear() + 1)
                    }
                } else {
                    newDate.setDate(newDate.getDate() + days);
                    return newDate
                }
            }
            return newDate
        }
        function writeArrayToMemory(array, buffer) {
            HEAP8.set(array, buffer)
        }
        function _strftime(s, maxsize, format, tm) {
            var tm_zone = HEAP32[tm + 40 >> 2];
            var date = {
                tm_sec: HEAP32[tm >> 2],
                tm_min: HEAP32[tm + 4 >> 2],
                tm_hour: HEAP32[tm + 8 >> 2],
                tm_mday: HEAP32[tm + 12 >> 2],
                tm_mon: HEAP32[tm + 16 >> 2],
                tm_year: HEAP32[tm + 20 >> 2],
                tm_wday: HEAP32[tm + 24 >> 2],
                tm_yday: HEAP32[tm + 28 >> 2],
                tm_isdst: HEAP32[tm + 32 >> 2],
                tm_gmtoff: HEAP32[tm + 36 >> 2],
                tm_zone: tm_zone ? UTF8ToString(tm_zone) : ""
            };
            var pattern = UTF8ToString(format);
            var EXPANSION_RULES_1 = {
                "%c": "%a %b %d %H:%M:%S %Y",
                "%D": "%m/%d/%y",
                "%F": "%Y-%m-%d",
                "%h": "%b",
                "%r": "%I:%M:%S %p",
                "%R": "%H:%M",
                "%T": "%H:%M:%S",
                "%x": "%m/%d/%y",
                "%X": "%H:%M:%S",
                "%Ec": "%c",
                "%EC": "%C",
                "%Ex": "%m/%d/%y",
                "%EX": "%H:%M:%S",
                "%Ey": "%y",
                "%EY": "%Y",
                "%Od": "%d",
                "%Oe": "%e",
                "%OH": "%H",
                "%OI": "%I",
                "%Om": "%m",
                "%OM": "%M",
                "%OS": "%S",
                "%Ou": "%u",
                "%OU": "%U",
                "%OV": "%V",
                "%Ow": "%w",
                "%OW": "%W",
                "%Oy": "%y"
            };
            for (var rule in EXPANSION_RULES_1) {
                pattern = pattern.replace(new RegExp(rule,"g"), EXPANSION_RULES_1[rule])
            }
            var WEEKDAYS = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
            var MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
            function leadingSomething(value, digits, character) {
                var str = typeof value == "number" ? value.toString() : value || "";
                while (str.length < digits) {
                    str = character[0] + str
                }
                return str
            }
            function leadingNulls(value, digits) {
                return leadingSomething(value, digits, "0")
            }
            function compareByDay(date1, date2) {
                function sgn(value) {
                    return value < 0 ? -1 : value > 0 ? 1 : 0
                }
                var compare;
                if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
                    if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
                        compare = sgn(date1.getDate() - date2.getDate())
                    }
                }
                return compare
            }
            function getFirstWeekStartDate(janFourth) {
                switch (janFourth.getDay()) {
                case 0:
                    return new Date(janFourth.getFullYear() - 1,11,29);
                case 1:
                    return janFourth;
                case 2:
                    return new Date(janFourth.getFullYear(),0,3);
                case 3:
                    return new Date(janFourth.getFullYear(),0,2);
                case 4:
                    return new Date(janFourth.getFullYear(),0,1);
                case 5:
                    return new Date(janFourth.getFullYear() - 1,11,31);
                case 6:
                    return new Date(janFourth.getFullYear() - 1,11,30)
                }
            }
            function getWeekBasedYear(date) {
                var thisDate = __addDays(new Date(date.tm_year + 1900,0,1), date.tm_yday);
                var janFourthThisYear = new Date(thisDate.getFullYear(),0,4);
                var janFourthNextYear = new Date(thisDate.getFullYear() + 1,0,4);
                var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
                var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
                if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
                    if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
                        return thisDate.getFullYear() + 1
                    }
                    return thisDate.getFullYear()
                }
                return thisDate.getFullYear() - 1
            }
            var EXPANSION_RULES_2 = {
                "%a": function(date) {
                    return WEEKDAYS[date.tm_wday].substring(0, 3)
                },
                "%A": function(date) {
                    return WEEKDAYS[date.tm_wday]
                },
                "%b": function(date) {
                    return MONTHS[date.tm_mon].substring(0, 3)
                },
                "%B": function(date) {
                    return MONTHS[date.tm_mon]
                },
                "%C": function(date) {
                    var year = date.tm_year + 1900;
                    return leadingNulls(year / 100 | 0, 2)
                },
                "%d": function(date) {
                    return leadingNulls(date.tm_mday, 2)
                },
                "%e": function(date) {
                    return leadingSomething(date.tm_mday, 2, " ")
                },
                "%g": function(date) {
                    return getWeekBasedYear(date).toString().substring(2)
                },
                "%G": function(date) {
                    return getWeekBasedYear(date)
                },
                "%H": function(date) {
                    return leadingNulls(date.tm_hour, 2)
                },
                "%I": function(date) {
                    var twelveHour = date.tm_hour;
                    if (twelveHour == 0)
                        twelveHour = 12;
                    else if (twelveHour > 12)
                        twelveHour -= 12;
                    return leadingNulls(twelveHour, 2)
                },
                "%j": function(date) {
                    return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3)
                },
                "%m": function(date) {
                    return leadingNulls(date.tm_mon + 1, 2)
                },
                "%M": function(date) {
                    return leadingNulls(date.tm_min, 2)
                },
                "%n": function() {
                    return "\n"
                },
                "%p": function(date) {
                    if (date.tm_hour >= 0 && date.tm_hour < 12) {
                        return "AM"
                    }
                    return "PM"
                },
                "%S": function(date) {
                    return leadingNulls(date.tm_sec, 2)
                },
                "%t": function() {
                    return "\t"
                },
                "%u": function(date) {
                    return date.tm_wday || 7
                },
                "%U": function(date) {
                    var days = date.tm_yday + 7 - date.tm_wday;
                    return leadingNulls(Math.floor(days / 7), 2)
                },
                "%V": function(date) {
                    var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7) / 7);
                    if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
                        val++
                    }
                    if (!val) {
                        val = 52;
                        var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
                        if (dec31 == 4 || dec31 == 5 && __isLeapYear(date.tm_year % 400 - 1)) {
                            val++
                        }
                    } else if (val == 53) {
                        var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
                        if (jan1 != 4 && (jan1 != 3 || !__isLeapYear(date.tm_year)))
                            val = 1
                    }
                    return leadingNulls(val, 2)
                },
                "%w": function(date) {
                    return date.tm_wday
                },
                "%W": function(date) {
                    var days = date.tm_yday + 7 - (date.tm_wday + 6) % 7;
                    return leadingNulls(Math.floor(days / 7), 2)
                },
                "%y": function(date) {
                    return (date.tm_year + 1900).toString().substring(2)
                },
                "%Y": function(date) {
                    return date.tm_year + 1900
                },
                "%z": function(date) {
                    var off = date.tm_gmtoff;
                    var ahead = off >= 0;
                    off = Math.abs(off) / 60;
                    off = off / 60 * 100 + off % 60;
                    return (ahead ? "+" : "-") + String("0000" + off).slice(-4)
                },
                "%Z": function(date) {
                    return date.tm_zone
                },
                "%%": function() {
                    return "%"
                }
            };
            pattern = pattern.replace(/%%/g, "\0\0");
            for (var rule in EXPANSION_RULES_2) {
                if (pattern.includes(rule)) {
                    pattern = pattern.replace(new RegExp(rule,"g"), EXPANSION_RULES_2[rule](date))
                }
            }
            pattern = pattern.replace(/\0\0/g, "%");
            var bytes = intArrayFromString(pattern, false);
            if (bytes.length > maxsize) {
                return 0
            }
            writeArrayToMemory(bytes, s);
            return bytes.length - 1
        }
        function _strftime_l(s, maxsize, format, tm, loc) {
            return _strftime(s, maxsize, format, tm)
        }
        var JSEvents = {
            inEventHandler: 0,
            removeAllEventListeners: function() {
                for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) {
                    JSEvents._removeHandler(i)
                }
                JSEvents.eventHandlers = [];
                JSEvents.deferredCalls = []
            },
            registerRemoveEventListeners: function() {
                if (!JSEvents.removeEventListenersRegistered) {
                    __ATEXIT__.push(JSEvents.removeAllEventListeners);
                    JSEvents.removeEventListenersRegistered = true
                }
            },
            deferredCalls: [],
            deferCall: function(targetFunction, precedence, argsList) {
                function arraysHaveEqualContent(arrA, arrB) {
                    if (arrA.length != arrB.length)
                        return false;
                    for (var i in arrA) {
                        if (arrA[i] != arrB[i])
                            return false
                    }
                    return true
                }
                for (var i in JSEvents.deferredCalls) {
                    var call = JSEvents.deferredCalls[i];
                    if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
                        return
                    }
                }
                JSEvents.deferredCalls.push({
                    targetFunction: targetFunction,
                    precedence: precedence,
                    argsList: argsList
                });
                JSEvents.deferredCalls.sort(function(x, y) {
                    return x.precedence < y.precedence
                })
            },
            removeDeferredCalls: function(targetFunction) {
                for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
                    if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
                        JSEvents.deferredCalls.splice(i, 1);
                        --i
                    }
                }
            },
            canPerformEventHandlerRequests: function() {
                return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls
            },
            runDeferredCalls: function() {
                if (!JSEvents.canPerformEventHandlerRequests()) {
                    return
                }
                for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
                    var call = JSEvents.deferredCalls[i];
                    JSEvents.deferredCalls.splice(i, 1);
                    --i;
                    call.targetFunction.apply(null, call.argsList)
                }
            },
            eventHandlers: [],
            removeAllHandlersOnTarget: function(target, eventTypeString) {
                for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
                    if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
                        JSEvents._removeHandler(i--)
                    }
                }
            },
            _removeHandler: function(i) {
                var h = JSEvents.eventHandlers[i];
                h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
                JSEvents.eventHandlers.splice(i, 1)
            },
            registerOrRemoveHandler: function(eventHandler) {
                var jsEventHandler = function jsEventHandler(event) {
                    ++JSEvents.inEventHandler;
                    JSEvents.currentEventHandler = eventHandler;
                    JSEvents.runDeferredCalls();
                    eventHandler.handlerFunc(event);
                    JSEvents.runDeferredCalls();
                    --JSEvents.inEventHandler
                };
                if (eventHandler.callbackfunc) {
                    eventHandler.eventListenerFunc = jsEventHandler;
                    eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
                    JSEvents.eventHandlers.push(eventHandler);
                    JSEvents.registerRemoveEventListeners()
                } else {
                    for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
                        if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
                            JSEvents._removeHandler(i--)
                        }
                    }
                }
            },
            getNodeNameForTarget: function(target) {
                if (!target)
                    return "";
                if (target == window)
                    return "#window";
                if (target == screen)
                    return "#screen";
                return target && target.nodeName ? target.nodeName : ""
            },
            fullscreenEnabled: function() {
                return document.fullscreenEnabled || document.webkitFullscreenEnabled
            }
        };
        var specialHTMLTargets = [0, typeof document != "undefined" ? document : 0, typeof window != "undefined" ? window : 0];
        embind_init_charCodes();
        BindingError = Module["BindingError"] = extendError(Error, "BindingError");
        InternalError = Module["InternalError"] = extendError(Error, "InternalError");
        init_emval();
        var FSNode = function(parent, name, mode, rdev) {
            if (!parent) {
                parent = this
            }
            this.parent = parent;
            this.mount = parent.mount;
            this.mounted = null;
            this.id = FS.nextInode++;
            this.name = name;
            this.mode = mode;
            this.node_ops = {};
            this.stream_ops = {};
            this.rdev = rdev
        };
        var readMode = 292 | 73;
        var writeMode = 146;
        Object.defineProperties(FSNode.prototype, {
            read: {
                get: function() {
                    return (this.mode & readMode) === readMode
                },
                set: function(val) {
                    val ? this.mode |= readMode : this.mode &= ~readMode
                }
            },
            write: {
                get: function() {
                    return (this.mode & writeMode) === writeMode
                },
                set: function(val) {
                    val ? this.mode |= writeMode : this.mode &= ~writeMode
                }
            },
            isFolder: {
                get: function() {
                    return FS.isDir(this.mode)
                }
            },
            isDevice: {
                get: function() {
                    return FS.isChrdev(this.mode)
                }
            }
        });
        FS.FSNode = FSNode;
        FS.staticInit();
        var asmLibraryArg = {
            "__assert_fail": ___assert_fail,
            "__cxa_throw": ___cxa_throw,
            "_embind_register_bigint": __embind_register_bigint,
            "_embind_register_bool": __embind_register_bool,
            "_embind_register_emval": __embind_register_emval,
            "_embind_register_float": __embind_register_float,
            "_embind_register_integer": __embind_register_integer,
            "_embind_register_memory_view": __embind_register_memory_view,
            "_embind_register_std_string": __embind_register_std_string,
            "_embind_register_std_wstring": __embind_register_std_wstring,
            "_embind_register_void": __embind_register_void,
            "abort": _abort,
            "emscripten_memcpy_big": _emscripten_memcpy_big,
            "emscripten_resize_heap": _emscripten_resize_heap,
            "environ_get": _environ_get,
            "environ_sizes_get": _environ_sizes_get,
            "exit": _exit,
            "fd_close": _fd_close,
            "fd_read": _fd_read,
            "fd_seek": _fd_seek,
            "fd_write": _fd_write,
            "strftime_l": _strftime_l
        };
        var asm = createWasm();
        var ___wasm_call_ctors = Module["___wasm_call_ctors"] = function() {
            return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["__wasm_call_ctors"]).apply(null, arguments)
        }
        ;
        var _processImage = Module["_processImage"] = function() {
            return (_processImage = Module["_processImage"] = Module["asm"]["processImage"]).apply(null, arguments)
        }
        ;
        var _processJson = Module["_processJson"] = function() {
            return (_processJson = Module["_processJson"] = Module["asm"]["processJson"]).apply(null, arguments)
        }
        ;
        var _setAudioBuffer = Module["_setAudioBuffer"] = function() {
            return (_setAudioBuffer = Module["_setAudioBuffer"] = Module["asm"]["setAudioBuffer"]).apply(null, arguments)
        }
        ;
        var _updateBlendShape = Module["_updateBlendShape"] = function() {
            return (_updateBlendShape = Module["_updateBlendShape"] = Module["asm"]["updateBlendShape"]).apply(null, arguments)
        }
        ;
        var _getAudioVad = Module["_getAudioVad"] = function() {
            return (_getAudioVad = Module["_getAudioVad"] = Module["asm"]["getAudioVad"]).apply(null, arguments)
        }
        ;
        var _clearAudio = Module["_clearAudio"] = function() {
            return (_clearAudio = Module["_clearAudio"] = Module["asm"]["clearAudio"]).apply(null, arguments)
        }
        ;
        var ___errno_location = Module["___errno_location"] = function() {
            return (___errno_location = Module["___errno_location"] = Module["asm"]["__errno_location"]).apply(null, arguments)
        }
        ;
        var _free = Module["_free"] = function() {
            return (_free = Module["_free"] = Module["asm"]["free"]).apply(null, arguments)
        }
        ;
        var _malloc = Module["_malloc"] = function() {
            return (_malloc = Module["_malloc"] = Module["asm"]["malloc"]).apply(null, arguments)
        }
        ;
        var ___getTypeName = Module["___getTypeName"] = function() {
            return (___getTypeName = Module["___getTypeName"] = Module["asm"]["__getTypeName"]).apply(null, arguments)
        }
        ;
        var __embind_initialize_bindings = Module["__embind_initialize_bindings"] = function() {
            return (__embind_initialize_bindings = Module["__embind_initialize_bindings"] = Module["asm"]["_embind_initialize_bindings"]).apply(null, arguments)
        }
        ;
        var stackSave = Module["stackSave"] = function() {
            return (stackSave = Module["stackSave"] = Module["asm"]["stackSave"]).apply(null, arguments)
        }
        ;
        var stackRestore = Module["stackRestore"] = function() {
            return (stackRestore = Module["stackRestore"] = Module["asm"]["stackRestore"]).apply(null, arguments)
        }
        ;
        var stackAlloc = Module["stackAlloc"] = function() {
            return (stackAlloc = Module["stackAlloc"] = Module["asm"]["stackAlloc"]).apply(null, arguments)
        }
        ;
        var ___cxa_is_pointer_type = Module["___cxa_is_pointer_type"] = function() {
            return (___cxa_is_pointer_type = Module["___cxa_is_pointer_type"] = Module["asm"]["__cxa_is_pointer_type"]).apply(null, arguments)
        }
        ;
        Module["UTF16ToString"] = UTF16ToString;
        Module["stringToUTF16"] = stringToUTF16;
        Module["JSEvents"] = JSEvents;
        Module["specialHTMLTargets"] = specialHTMLTargets;
        Module["FS"] = FS;
        var calledRun;
        dependenciesFulfilled = function runCaller() {
            if (!calledRun)
                run();
            if (!calledRun)
                dependenciesFulfilled = runCaller
        }
        ;
        function run(args) {
            args = args || arguments_;
            if (runDependencies > 0) {
                return
            }
            preRun();
            if (runDependencies > 0) {
                return
            }
            function doRun() {
                if (calledRun)
                    return;
                calledRun = true;
                Module["calledRun"] = true;
                if (ABORT)
                    return;
                initRuntime();
                readyPromiseResolve(Module);
                if (Module["onRuntimeInitialized"])
                    Module["onRuntimeInitialized"]();
                postRun()
            }
            if (Module["setStatus"]) {
                Module["setStatus"]("Running...");
                setTimeout(function() {
                    setTimeout(function() {
                        Module["setStatus"]("")
                    }, 1);
                    doRun()
                }, 1)
            } else {
                doRun()
            }
        }
        if (Module["preInit"]) {
            if (typeof Module["preInit"] == "function")
                Module["preInit"] = [Module["preInit"]];
            while (Module["preInit"].length > 0) {
                Module["preInit"].pop()()
            }
        }
        run();

        return createQtAppInstance.ready
    }
    );
}
)();
if (typeof exports === 'object' && typeof module === 'object')
    module.exports = createQtAppInstance;
else if (typeof define === 'function' && define['amd'])
    define([], function() {
        return createQtAppInstance;
    });
else if (typeof exports === 'object')
    exports["createQtAppInstance"] = createQtAppInstance;
